# Uses of Package
java.lang

Packages that use java.lang
Package
Description
com.sun.java.accessibility.util
Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.
com.sun.jdi
This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.
com.sun.jdi.connect
This package defines connections between the virtual machine using the JDI and the target virtual machine.
com.sun.jdi.connect.spi
This package comprises the interfaces and classes used to develop new `TransportService` implementations.
com.sun.jdi.event
This package defines JDI events and event processing.
com.sun.jdi.request
This package is used to request that a JDI event be sent under specified conditions.
com.sun.management
This package contains JDK extensions to the standard implementation of the `java.lang.management` API and also defines the management interface for some other components of the platform.
com.sun.net.httpserver
Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
com.sun.net.httpserver.spi
Provides a pluggable service provider interface, which allows the HTTP server implementation to be replaced with other implementations.
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
com.sun.security.auth
Provides implementations of `Principal`.
com.sun.security.auth.callback
Provides an implementation of `CallbackHandler`.
com.sun.security.auth.login
Provides an implementation of `Configuration`.
com.sun.security.auth.module
Provides implementations of `LoginModule`.
com.sun.security.jgss
This package defines classes and interfaces for the JDK extensions to the GSS-API.
com.sun.source.doctree
Provides interfaces to represent documentation comments as abstract syntax trees (AST).
com.sun.source.tree
Provides interfaces to represent source code as abstract syntax trees (AST).
com.sun.source.util
Provides utilities for operations on abstract syntax trees (AST).
com.sun.tools.attach
Provides the API to attach to a Java virtual machine.
com.sun.tools.attach.spi
Only developers who are defining new attach providers should need to make direct use of this package.
com.sun.tools.javac
This package provides a legacy entry point for the javac tool.
com.sun.tools.jconsole
This package contains the JConsole API.
java.applet
Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color
Provides classes for color spaces.
java.awt.datatransfer
Provides interfaces and classes for transferring data between and within applications.
java.awt.desktop
Provides interfaces and classes for interaction with various desktop capabilities.
java.awt.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event
Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font
Provides classes and interface relating to fonts.
java.awt.geom
Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.im
Provides classes and interfaces for the input method framework.
java.awt.im.spi
Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
java.awt.image
Provides classes for creating and modifying images.
java.awt.image.renderable
Provides classes and interfaces for producing rendering-independent images.
java.awt.print
Provides classes and interfaces for a general printing API.
java.beans
Contains classes related to developing beans -- components based on the JavaBeans architecture.
java.beans.beancontext
Provides classes and interfaces relating to bean context.
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation
Provides library support for the Java programming language annotation facility.
java.lang.classfile
Provides classfile parsing, generation, and transformation library.
java.lang.classfile.attribute
Provides interfaces describing `class` file attributes for the `java.lang.classfile` library.
java.lang.classfile.constantpool
Provides interfaces describing constant pool entries for the `java.lang.classfile` library.
java.lang.classfile.instruction
Provides interfaces describing code instructions for the `java.lang.classfile` library.
java.lang.constant
Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or `invokedynamic` call sites.
java.lang.foreign
Provides low-level access to memory and functions outside the Java runtime.
java.lang.instrument
Provides services that allow Java programming language agents to instrument programs running on the Java Virtual Machine (JVM).
java.lang.invoke
The `java.lang.invoke` package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.management
Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.lang.module
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.lang.ref
Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect
Provides classes and interfaces for obtaining reflective information about classes and objects.
java.lang.runtime
The `java.lang.runtime` package provides low-level runtime support for the Java language.
java.math
Provides classes for performing arbitrary-precision integer arithmetic (`BigInteger`) and arbitrary-precision decimal arithmetic (`BigDecimal`).
java.net
Provides the classes for implementing networking applications.
java.net.http
HTTP Client and WebSocket APIs
java.net.spi
Service-provider classes for the `java.net` package.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi
Service-provider classes for the `java.nio.channels` package.
java.nio.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi
Service-provider classes for the `java.nio.charset` package.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi
Service-provider classes for the `java.nio.file` package.
java.rmi
Provides the RMI package.
java.rmi.dgc
Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.registry
Provides a class and two interfaces for the RMI registry.
java.rmi.server
Provides classes and interfaces for supporting the server side of RMI.
java.security
Provides the classes and interfaces for the security framework.
java.security.cert
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.interfaces
Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
java.security.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java programming language.
java.text
Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.text.spi
Service provider classes for the classes in the java.text package.
java.time
The main API for dates, times, instants, and durations.
java.time.chrono
Generic API for calendar systems other than the default ISO.
java.time.format
Provides classes to print and parse dates and times.
java.time.temporal
Access to date and time using fields and units, and date time adjusters.
java.time.zone
Support for time-zones and their rules.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.concurrent.locks
Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
java.util.function
Functional interfaces provide target types for lambda expressions and method references.
java.util.jar
Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging
Provides the classes and interfaces of the Java 2 platform's core logging facilities.
java.util.prefs
This package allows applications to store and retrieve user and system preference and configuration data.
java.util.random
This package contains classes and interfaces that support a generic API for random number generation.
java.util.regex
Classes for matching character sequences against patterns specified by regular expressions.
java.util.spi
Service provider classes for the classes in the java.util package.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
java.util.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.accessibility
Defines a contract between user-interface components and an assistive technology that provides access to those components.
javax.annotation.processing
Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.crypto.interfaces
Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
javax.crypto.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.imageio
The main package of the Java Image I/O API.
javax.imageio.event
A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images.
javax.imageio.metadata
A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.plugins.bmp
Package containing the public classes used by the built-in BMP plug-in.
javax.imageio.plugins.jpeg
Classes supporting the built-in JPEG plug-in.
javax.imageio.plugins.tiff
Public classes used by the built-in TIFF plug-ins.
javax.imageio.spi
A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.lang.model
Types and hierarchies of packages comprising a Java language model, a reflective API that models the declarations and types of the Java programming language.
javax.lang.model.element
Interfaces used to model elements of the Java programming language.
javax.lang.model.type
Interfaces used to model Java programming language types.
javax.lang.model.util
Utilities to assist in the processing of program elements and types.
javax.management
Provides the core classes for the Java Management Extensions.
javax.management.loading
Provides the classes which implement advanced dynamic loading.
javax.management.modelmbean
Provides the definition of the ModelMBean classes.
javax.management.monitor
Provides the definition of the monitor classes.
javax.management.openmbean
Provides the open data types and Open MBean descriptor classes.
javax.management.relation
Provides the definition of the Relation Service.
javax.management.remote
Interfaces for remote access to JMX MBean servers.
javax.management.remote.rmi
The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
javax.management.timer
Provides the definition of the Timer MBean.
javax.naming
Provides the classes and interfaces for accessing naming services.
javax.naming.directory
Extends the `javax.naming` package to provide functionality for accessing directory services.
javax.naming.event
Provides support for event notification when accessing naming and directory services.
javax.naming.ldap
Provides support for LDAPv3 extended operations and controls.
javax.naming.ldap.spi
Provides the Service Provider Interface for DNS lookups when performing LDAP operations.
javax.naming.spi
Provides the means for dynamically plugging in support for accessing naming and directory services through the `javax.naming` and related packages.
javax.net
Provides classes for networking applications.
javax.net.ssl
Provides classes for the secure socket package.
javax.print
Provides the principal classes and interfaces for the Java Print Service API.
javax.print.attribute
Provides classes and interfaces that describe the types of Java Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard
Package `javax.print.attribute.standard` contains classes for specific printing attributes.
javax.print.event
Package `javax.print.event` contains event classes and listener interfaces.
javax.rmi.ssl
Provides implementations of `RMIClientSocketFactory` and `RMIServerSocketFactory` over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
javax.script
The scripting API consists of interfaces and classes that define Java Scripting Engines and provides a framework for their use in Java applications.
javax.security.auth
This package provides a framework for authentication and authorization.
javax.security.auth.callback
This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.kerberos
This package contains utility classes related to the Kerberos network authentication protocol.
javax.security.auth.login
This package provides a pluggable authentication framework.
javax.security.auth.spi
This package provides the interface to be used for implementing pluggable authentication modules.
javax.security.auth.x500
This package contains the classes that should be used to store X500 Principal and X500 Private Credentials in a Subject.
javax.security.cert
Provides classes for public key certificates.
javax.security.sasl
Contains class and interfaces for supporting SASL.
javax.smartcardio
Java™ Smart Card I/O API.
javax.sound
Provides interfaces and classes for the Java Sound API.
javax.sound.midi
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi
Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled
Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi
Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql
Provides the API for server side data source access and processing from the Java programming language.
javax.sql.rowset
Standard interfaces and base classes for JDBC `RowSet` implementations.
javax.sql.rowset.serial
Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.sql.rowset.spi
The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border
Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser
Contains classes and interfaces used by the `JColorChooser` component.
javax.swing.event
Provides for events fired by Swing components.
javax.swing.filechooser
Contains classes and interfaces used by the `JFileChooser` component.
javax.swing.plaf
Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic
Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal
Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi
Provides user interface objects that combine two or more look and feels.
javax.swing.plaf.nimbus
Provides user interface objects built according to the cross-platform Nimbus look and feel.
javax.swing.plaf.synth
Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.table
Provides classes and interfaces for dealing with `javax.swing.JTable`.
javax.swing.text
Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html
Provides the class `HTMLEditorKit` and supporting classes for creating HTML text editors.
javax.swing.text.html.parser
Provides the default HTML parser, along with support classes.
javax.swing.text.rtf
Provides a class (`RTFEditorKit`) for creating Rich-Text-Format text editors.
javax.swing.tree
Provides classes and interfaces for dealing with `javax.swing.JTree`.
javax.swing.undo
Allows developers to provide support for undo/redo in applications such as text editors.
javax.tools
Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.transaction.xa
Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.xml
Defines constants for XML processing.
javax.xml.catalog
Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
javax.xml.crypto
Common classes for XML cryptography.
javax.xml.crypto.dom
DOM-specific classes for the `javax.xml.crypto` package.
javax.xml.crypto.dsig
Classes for generating and validating XML digital signatures.
javax.xml.crypto.dsig.dom
DOM-specific classes for the `javax.xml.crypto.dsig` package.
javax.xml.crypto.dsig.keyinfo
Classes for parsing and processing `KeyInfo` elements and structures.
javax.xml.crypto.dsig.spec
Parameter classes for XML digital signatures.
javax.xml.datatype
Defines XML/Java Type Mappings.
javax.xml.namespace
Defines XML Namespace processing.
javax.xml.parsers
Provides the classes for processing XML documents with a SAX (Simple API for XML) parser or a DOM (Document Object Model) Document builder.
javax.xml.stream
Defines interfaces and classes for the Streaming API for XML (StAX).
javax.xml.stream.events
Defines event interfaces for the Streaming API for XML (StAX).
javax.xml.stream.util
Provides utility classes for the Streaming API for XML (StAX).
javax.xml.transform
Defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.dom
Provides DOM specific transformation classes.
javax.xml.transform.sax
Provides SAX specific transformation classes.
javax.xml.transform.stax
Provides StAX specific transformation classes.
javax.xml.transform.stream
Provides stream and URI specific transformation classes.
javax.xml.validation
Provides an API for validation of XML documents.
javax.xml.xpath
Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
jdk.dynalink
Contains interfaces and classes that are used to link an `invokedynamic` call site.
jdk.dynalink.beans
Contains the linker for ordinary Java objects.
jdk.dynalink.linker
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.dynalink.linker.support
Contains classes that make it more convenient for language runtimes to implement their own language-specific object models and type conversions by providing basic implementations of some classes as well as various utilities.
jdk.dynalink.support
Contains classes that make using Dynalink more convenient by providing basic implementations of some classes as well as various utilities.
jdk.incubator.vector
Incubating Feature. Will be removed in a future release.
jdk.javadoc.doclet
The Doclet API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source.
jdk.jfr
This package provides classes to create events and control Flight Recorder.
jdk.jfr.consumer
This package contains classes for consuming Flight Recorder data.
jdk.jshell
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
jdk.jshell.execution
Provides implementation support for building JShell execution engines.
jdk.jshell.spi
Defines the Service Provider Interface for pluggable JShell execution engines.
jdk.jshell.tool
Provides a mechanism to launch an instance of a Java shell tool.
jdk.management.jfr
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
jdk.net
Platform specific socket options for the `java.net` and `java.nio.channels` socket classes.
jdk.nio
Defines JDK-specific `channel` APIs.
jdk.nio.mapmode
JDK-specific map modes for use with FileChannel::map.
jdk.security.jarsigner
This package defines APIs for signing jar files.
netscape.javascript
Deprecated, for removal: This API element is subject to removal in a future version.
The jdk.jsobject module will be delivered with JavaFX.
org.ietf.jgss
This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.w3c.dom
Provides the interfaces for the Document Object Model (DOM).
org.w3c.dom.bootstrap
Provides a factory for obtaining instances of `DOMImplementation`.
org.w3c.dom.css
Provides interfaces for DOM Level 2 Style Specification.
org.w3c.dom.events
Provides interfaces for DOM Level 2 Events.
org.w3c.dom.html
Provides interfaces for DOM Level 2 HTML Specification.
org.w3c.dom.ls
Provides interfaces for DOM Level 3 Load and Save.
org.w3c.dom.ranges
Provides interfaces for DOM Level 2 Range.
org.w3c.dom.stylesheets
Provides interfaces for DOM Level 2 Style Specification.
org.w3c.dom.xpath
Provides interfaces for DOM Level 3 XPath Specification.
org.xml.sax
Provides the interfaces for the Simple API for XML (SAX).
org.xml.sax.ext
Provides interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
org.xml.sax.helpers
Provides helper classes, including support for bootstrapping SAX-based applications.

Classes in java.lang used by com.sun.java.accessibility.util
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by com.sun.jdi
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Process
`Process` provides control of native processes started by `ProcessBuilder.start` and `Runtime.exec`.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
Thrown to indicate that the requested operation is not supported.
Classes in java.lang used by com.sun.jdi.connect
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Process
`Process` provides control of native processes started by `ProcessBuilder.start` and `Runtime.exec`.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by com.sun.jdi.connect.spi
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by com.sun.jdi.event
Class
Description
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.jdi.request
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by com.sun.management
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.net.httpserver
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.net.httpserver.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by com.sun.nio.sctp
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by com.sun.security.auth
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.security.auth.callback
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by com.sun.security.auth.login
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.security.auth.module
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by com.sun.security.jgss
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.source.doctree
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.source.tree
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.source.util
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.tools.attach
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by com.sun.tools.attach.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.tools.javac
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by com.sun.tools.jconsole
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.applet
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.awt
Class
Description
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
IndexOutOfBoundsException
Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
NullPointerException
Thrown when an application attempts to use `null` in a case where an object is required.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
NumberFormatException
Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
Thrown to indicate that the requested operation is not supported.
Classes in java.lang used by java.awt.color
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.datatransfer
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.desktop
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.awt.dnd
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.event
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.font
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Float
The `Float` class is the wrapper class for values of the primitive type `float`.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.awt.geom
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.im
Class
Description
Character.Subset
Instances of this class represent particular subsets of the Unicode character set.
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by java.awt.im.spi
Class
Description
Character.Subset
Instances of this class represent particular subsets of the Unicode character set.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.awt.image
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.awt.image.renderable
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.awt.print
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IndexOutOfBoundsException
Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
NullPointerException
Thrown when an application attempts to use `null` in a case where an object is required.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.beans
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.beans.beancontext
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.io
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Readable
A `Readable` is a source of characters.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
StringBuffer
A thread-safe, mutable sequence of characters.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Byte
The `Byte` class is the wrapper class for values of the primitive type `byte`.
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
Character.Subset
Instances of this class represent particular subsets of the Unicode character set.
Character.UnicodeBlock
A family of character subsets representing the character blocks in the Unicode specification.
Character.UnicodeScript
A family of character subsets representing the character scripts defined in the Unicode Standard Annex #24: Script Names.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassFormatError
Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
Enum
This is the common base class of all Java language enumeration classes.
Enum.EnumDesc
A nominal descriptor for an `enum` constant.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Float
The `Float` class is the wrapper class for values of the primitive type `float`.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IncompatibleClassChangeError
Thrown when an incompatible class change has occurred to some class definition.
IndexOutOfBoundsException
Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
LinkageError
Subclasses of `LinkageError` indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Module
Represents a run-time module, either `named` or unnamed.
ModuleLayer
A layer of modules in the Java virtual machine.
ModuleLayer.Controller
Controls a module layer.
NoSuchFieldException
Signals that the class doesn't have a field of a specified name.
NoSuchMethodException
Thrown when a particular method cannot be found.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
NumberFormatException
Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Package
Represents metadata about a run-time package associated with a class loader.
Process
`Process` provides control of native processes started by `ProcessBuilder.start` and `Runtime.exec`.
ProcessBuilder
This class is used to create operating system processes.
ProcessBuilder.Redirect
Represents a source of subprocess input or a destination of subprocess output.
ProcessBuilder.Redirect.Type
The type of a `ProcessBuilder.Redirect`.
ProcessHandle
ProcessHandle identifies and provides control of native processes.
ProcessHandle.Info
Information snapshot about the process.
ReflectiveOperationException
Common superclass of exceptions thrown by reflective operations in core reflection.
Runnable
Represents an operation that does not return a result.
Runtime
Every Java application has a single instance of class `Runtime` that allows the application to interface with the environment in which the application is running.
Runtime.Version
A representation of a version string for an implementation of the Java SE Platform.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
ScopedValue
A value that may be safely and efficiently shared to methods without using method parameters.
ScopedValue.CallableOp
An operation that returns a result and may throw an exception.
ScopedValue.Carrier
A mapping of scoped values, as keys, to values.
SecurityManager
Deprecated, for removal: This API element is subject to removal in a future version.
There is no replacement for this class.
Short
The `Short` class is the wrapper class for values of the primitive type `short`.
StableValue
Preview.
A stable value is a holder of contents that can be set at most once.
StackTraceElement
An element in a stack trace, as returned by `Throwable.getStackTrace()`.
StackWalker
A stack walker.
StackWalker.Option
Stack walker option to configure the stack frame information obtained by a `StackWalker`.
StackWalker.StackFrame
A `StackFrame` object represents a method invocation returned by `StackWalker`.
String
The `String` class represents character strings.
StringBuffer
A thread-safe, mutable sequence of characters.
StringBuilder
A mutable sequence of characters.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
System.Logger
`System.Logger` instances log messages that will be routed to the underlying logging framework the `LoggerFinder` uses.
System.Logger.Level
System loggers levels.
System.LoggerFinder
The `LoggerFinder` service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
Thread
A thread is a thread of execution in a program.
Thread.Builder
A builder for `Thread` and `ThreadFactory` objects.
Thread.Builder.OfPlatform
A builder for creating a platform `Thread` or `ThreadFactory` that creates platform threads.
Thread.Builder.OfVirtual
A builder for creating a virtual `Thread` or `ThreadFactory` that creates virtual threads.
Thread.State
A thread state.
Thread.UncaughtExceptionHandler
Interface for handlers invoked when a `Thread` abruptly terminates due to an uncaught exception.
ThreadGroup
A thread group represents a set of threads.
ThreadLocal
This class provides thread-local variables.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
VirtualMachineError
Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by java.lang.annotation
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.classfile
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Byte
The `Byte` class is the wrapper class for values of the primitive type `byte`.
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
Float
The `Float` class is the wrapper class for values of the primitive type `float`.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Short
The `Short` class is the wrapper class for values of the primitive type `short`.
String
The `String` class represents character strings.
VerifyError
Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem.
Classes in java.lang used by java.lang.classfile.attribute
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.lang.classfile.constantpool
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.classfile.instruction
Class
Description
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by java.lang.constant
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
ReflectiveOperationException
Common superclass of exceptions thrown by reflective operations in core reflection.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.foreign
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Thread
A thread is a thread of execution in a program.
Classes in java.lang used by java.lang.instrument
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Module
Represents a run-time module, either `named` or unnamed.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.invoke
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassCastException
Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Enum
This is the common base class of all Java language enumeration classes.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
NoSuchFieldException
Signals that the class doesn't have a field of a specified name.
NoSuchMethodException
Thrown when a particular method cannot be found.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
TypeNotPresentException
Thrown when an application tries to access a type using a string representing the type's name, but no definition for the type with the specified name can be found.
Classes in java.lang used by java.lang.management
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
StackTraceElement
An element in a stack trace, as returned by `Throwable.getStackTrace()`.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Thread.State
A thread state.
Classes in java.lang used by java.lang.module
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.ref
Class
Description
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
Classes in java.lang used by java.lang.reflect
Class
Description
ArrayIndexOutOfBoundsException
Thrown to indicate that an array has been accessed with an illegal index.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassFormatError
Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
LinkageError
Subclasses of `LinkageError` indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
NegativeArraySizeException
Thrown if an application tries to create an array with negative size.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
ReflectiveOperationException
Common superclass of exceptions thrown by reflective operations in core reflection.
Runtime.Version
A representation of a version string for an implementation of the Java SE Platform.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.lang.runtime
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.math
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.net
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Package
Represents metadata about a run-time package associated with a class loader.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.net.http
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by java.net.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.nio
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Readable
A `Readable` is a source of characters.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
Thrown to indicate that the requested operation is not supported.
Classes in java.lang used by java.nio.channels
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by java.nio.channels.spi
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by java.nio.charset
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.nio.charset.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.nio.file
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
Thrown to indicate that the requested operation is not supported.
Classes in java.lang used by java.nio.file.attribute
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.nio.file.spi
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.rmi
Class
Description
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
Thrown to indicate a security violation.
SecurityManager
Deprecated, for removal: This API element is subject to removal in a future version.
There is no replacement for this class.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.rmi.dgc
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.rmi.registry
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.rmi.server
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.security
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
Thrown to indicate a security violation.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.security.cert
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.security.interfaces
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Classes in java.lang used by java.security.spec
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.sql
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.text
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
StringBuffer
A thread-safe, mutable sequence of characters.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.text.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by java.time
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.time.chrono
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.time.format
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.time.temporal
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.time.zone
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util
Class
Description
Appendable
An object to which `char` sequences and values can be appended.
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
Enum
This is the common base class of all Java language enumeration classes.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Module
Represents a run-time module, either `named` or unnamed.
ModuleLayer
A layer of modules in the Java virtual machine.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Readable
A `Readable` is a source of characters.
Runnable
Represents an operation that does not return a result.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SafeVarargs
A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util.concurrent
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Thread
A thread is a thread of execution in a program.
Thread.UncaughtExceptionHandler
Interface for handlers invoked when a `Thread` abruptly terminates due to an uncaught exception.
ThreadGroup
A thread group represents a set of threads.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by java.util.concurrent.atomic
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.util.concurrent.locks
Class
Description
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Thread
A thread is a thread of execution in a program.
Classes in java.lang used by java.util.function
Class
Description
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by java.util.jar
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Runtime.Version
A representation of a version string for an implementation of the Java SE Platform.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util.logging
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util.prefs
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util.random
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by java.util.regex
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
StringBuffer
A thread-safe, mutable sequence of characters.
StringBuilder
A mutable sequence of characters.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by java.util.spi
Class
Description
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by java.util.stream
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
SafeVarargs
A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by java.util.zip
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
InternalError
Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
VirtualMachineError
Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
Classes in java.lang used by javax.accessibility
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.annotation.processing
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.crypto
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.crypto.interfaces
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Classes in java.lang used by javax.crypto.spec
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.imageio
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
Thrown to indicate that the requested operation is not supported.
Classes in java.lang used by javax.imageio.event
Class
Description
String
The `String` class represents character strings.
Classes in java.lang used by javax.imageio.metadata
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.imageio.plugins.bmp
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by javax.imageio.plugins.jpeg
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.imageio.plugins.tiff
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.imageio.spi
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.imageio.stream
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.lang.model
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Runtime.Version
A representation of a version string for an implementation of the Java SE Platform.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.lang.model.element
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.lang.model.type
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.lang.model.util
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.management
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
NullPointerException
Thrown when an application attempts to use `null` in a case where an object is required.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.management.loading
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.management.modelmbean
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.management.monitor
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.management.openmbean
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Byte
The `Byte` class is the wrapper class for values of the primitive type `byte`.
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Float
The `Float` class is the wrapper class for values of the primitive type `float`.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
Short
The `Short` class is the wrapper class for values of the primitive type `short`.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Void
The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
Classes in java.lang used by javax.management.relation
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IndexOutOfBoundsException
Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
NoSuchMethodException
Thrown when a particular method cannot be found.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.management.remote
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.management.remote.rmi
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
ClassLoader
A class loader is an object that is responsible for loading classes.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.management.timer
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.naming
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.naming.directory
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.naming.event
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.naming.ldap
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.naming.ldap.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.naming.spi
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.net
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.net.ssl
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.print
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.print.attribute
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.print.attribute.standard
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.print.event
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.rmi.ssl
Class
Description
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.script
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
NoSuchMethodException
Thrown when a particular method cannot be found.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.security.auth
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.security.auth.callback
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.security.auth.kerberos
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.security.auth.login
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.security.auth.spi
Class
Description
String
The `String` class represents character strings.
Classes in java.lang used by javax.security.auth.x500
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.security.cert
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.security.sasl
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.smartcardio
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.sound
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by javax.sound.midi
Class
Description
ArrayIndexOutOfBoundsException
Thrown to indicate that an array has been accessed with an illegal index.
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.sound.midi.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by javax.sound.sampled
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.sound.sampled.spi
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by javax.sql
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.sql.rowset
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.sql.rowset.serial
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.sql.rowset.spi
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.swing
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Character
The `Character` class is the wrapper class for values of the primitive type `char`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
SafeVarargs
A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.swing.border
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.colorchooser
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.event
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.filechooser
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.swing.plaf
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.plaf.basic
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.plaf.metal
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.plaf.multi
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.plaf.nimbus
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.plaf.synth
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.table
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.text
Class
Description
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Thread
A thread is a thread of execution in a program.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.swing.text.html
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.text.html.parser
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
StringBuffer
A thread-safe, mutable sequence of characters.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.text.rtf
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by javax.swing.tree
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.swing.undo
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.tools
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
CharSequence
A `CharSequence` is a readable sequence of `char` values.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.transaction.xa
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.catalog
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.crypto
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.crypto.dom
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.crypto.dsig
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.crypto.dsig.dom
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by javax.xml.crypto.dsig.keyinfo
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.crypto.dsig.spec
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.datatype
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.namespace
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.parsers
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.stream
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.stream.events
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.stream.util
Class
Description
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.transform
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.transform.dom
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.transform.sax
Class
Description
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.transform.stax
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.transform.stream
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by javax.xml.validation
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Error
An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by javax.xml.xpath
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.dynalink
Class
Description
ClassLoader
A class loader is an object that is responsible for loading classes.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
StackTraceElement
An element in a stack trace, as returned by `Throwable.getStackTrace()`.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.dynalink.beans
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Classes in java.lang used by jdk.dynalink.linker
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
FunctionalInterface
An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.dynalink.linker.support
Class
Description
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Iterable
Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by jdk.dynalink.support
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Classes in java.lang used by jdk.incubator.vector
Class
Description
Byte
The `Byte` class is the wrapper class for values of the primitive type `byte`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Double
The `Double` class is the wrapper class for values of the primitive type `double`.
Float
The `Float` class is the wrapper class for values of the primitive type `float`.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Long
The `Long` class is the wrapper class for values of the primitive type `long`.
Number
The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
NumberFormatException
Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Short
The `Short` class is the wrapper class for values of the primitive type `short`.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by jdk.javadoc.doclet
Class
Description
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by jdk.jfr
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Classes in java.lang used by jdk.jfr.consumer
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.jshell
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Comparable
This interface imposes a total ordering on the objects of each class that implements it.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.jshell.execution
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader
A class loader is an object that is responsible for loading classes.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Process
`Process` provides control of native processes started by `ProcessBuilder.start` and `Runtime.exec`.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.jshell.spi
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
StackTraceElement
An element in a stack trace, as returned by `Throwable.getStackTrace()`.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.jshell.tool
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
String
The `String` class represents character strings.
Classes in java.lang used by jdk.management.jfr
Class
Description
AutoCloseable
An object that may hold resources (such as file or socket handles) until it is closed.
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time.
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
Runnable
Represents an operation that does not return a result.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by jdk.net
Class
Description
Boolean
The `Boolean` class is the wrapper class for values of the primitive type `boolean`.
Class
Instances of the class `Class` represent classes and interfaces in a running Java application.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Integer
The `Integer` class is the wrapper class for values of the primitive type `int`.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by jdk.nio
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by jdk.nio.mapmode
Class
Description
Object
Class `Object` is the root of the class hierarchy.
Classes in java.lang used by jdk.security.jarsigner
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by netscape.javascript
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.ietf.jgss
Class
Description
Cloneable
A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.w3c.dom
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.w3c.dom.bootstrap
Class
Description
ClassCastException
Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by org.w3c.dom.css
Class
Description
String
The `String` class represents character strings.
Classes in java.lang used by org.w3c.dom.events
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.w3c.dom.html
Class
Description
String
The `String` class represents character strings.
Classes in java.lang used by org.w3c.dom.ls
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.w3c.dom.ranges
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.w3c.dom.stylesheets
Class
Description
String
The `String` class represents character strings.
Classes in java.lang used by org.w3c.dom.xpath
Class
Description
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
RuntimeException
`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.xml.sax
Class
Description
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
Exception
The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Throwable
The `Throwable` class is the superclass of all errors and exceptions in the Java language.
Classes in java.lang used by org.xml.sax.ext
Class
Description
Object
Class `Object` is the root of the class hierarchy.
String
The `String` class represents character strings.
Classes in java.lang used by org.xml.sax.helpers
Class
Description
ClassCastException
Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Deprecated
A program element annotated `@Deprecated` is one that programmers are discouraged from using.
IllegalAccessException
An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
InstantiationException
Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
NullPointerException
Thrown when an application attempts to use `null` in a case where an object is required.
Object
Class `Object` is the root of the class hierarchy.
Override
Indicates that a method declaration is intended to override a method declaration in a supertype.
String
The `String` class represents character strings.
SuppressWarnings
Indicates the warnings to be suppressed at compile time in the annotated element, and in all elements contained in the annotated element.