# Class UnsupportedClassVersionError

java.lang.Object
java.lang.Throwable
java.lang.Error
java.lang.LinkageError
java.lang.ClassFormatError
java.lang.UnsupportedClassVersionError

All Implemented Interfaces:
  `Serializable`

public class UnsupportedClassVersionError extends ClassFormatError
Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.

Since:
  1.2
See Also:
  - Serialized Form

## Constructor Summary

Constructors
Constructor
Description
`UnsupportedClassVersionError()`
Constructs a `UnsupportedClassVersionError` with no detail message.
`UnsupportedClassVersionError(String s)`
Constructs a `UnsupportedClassVersionError` with the specified detail message.

## Method Summary

### Methods declared in class Throwable

`addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

### Methods declared in class Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

## Constructor Details

### UnsupportedClassVersionError

public UnsupportedClassVersionError()
Constructs a `UnsupportedClassVersionError` with no detail message.

### UnsupportedClassVersionError

public UnsupportedClassVersionError(String s)
Constructs a `UnsupportedClassVersionError` with the specified detail message.

Parameters:
  `s` - the detail message.