UnsupportedClassVersionError (Java SE 12 & JDK 12 )
Keywords: java.lang.UnsupportedClassVersionError class

Module java.base
Package java.lang

## 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 java.lang.Throwable

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

    - ### Methods declared in class java.lang.Object

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

- - ### Constructor Detail

    - #### 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.