# Uses of Class
java.io.FilterOutputStream

Packages that use FilterOutputStream
Package
Description
java.io
Provides for system input and output through data streams, serialization and the file system.
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.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.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.crypto
Provides the classes and interfaces for cryptographic operations.

## Uses of FilterOutputStream in java.io

Subclasses of FilterOutputStream in java.io
Modifier and Type
Class
Description
`class`
`BufferedOutputStream`
The class implements a buffered output stream.
`class`
`DataOutputStream`
A data output stream lets an application write primitive Java data types to an output stream in a portable way.
`class`
`PrintStream`
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

## Uses of FilterOutputStream in java.rmi.server

Subclasses of FilterOutputStream in java.rmi.server
Modifier and Type
Class
Description
`class`
`LogStream`
Deprecated.
no replacement

## Uses of FilterOutputStream in java.security

Subclasses of FilterOutputStream in java.security
Modifier and Type
Class
Description
`class`
`DigestOutputStream`
A transparent stream that updates the associated message digest using the bits going through the stream.

## Uses of FilterOutputStream in java.util.jar

Subclasses of FilterOutputStream in java.util.jar
Modifier and Type
Class
Description
`class`
`JarOutputStream`
The `JarOutputStream` class is used to write the contents of a JAR file to any output stream.

## Uses of FilterOutputStream in java.util.zip

Subclasses of FilterOutputStream in java.util.zip
Modifier and Type
Class
Description
`class`
`CheckedOutputStream`
An output stream that also maintains a checksum of the data being written.
`class`
`DeflaterOutputStream`
This class implements an output stream filter for compressing data in the "deflate" compression format.
`class`
`GZIPOutputStream`
This class implements a stream filter for writing compressed data in the GZIP file format.
`class`
`InflaterOutputStream`
Implements an output stream filter for uncompressing data stored in the "deflate" compression format.
`class`
`ZipOutputStream`
This class implements an output stream filter for writing files in the ZIP file format.

## Uses of FilterOutputStream in javax.crypto

Subclasses of FilterOutputStream in javax.crypto
Modifier and Type
Class
Description
`class`
`CipherOutputStream`
A `CipherOutputStream` is composed of an `OutputStream` and a `Cipher` object so that write() methods first process the data before writing them out to the underlying `OutputStream`.