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## java.lang
Class IllegalStateException

    java.lang.Object
      java.lang.Throwable
          java.lang.Exception
              java.lang.RuntimeException
                  java.lang.IllegalStateException

All Implemented Interfaces:
  Serializable

Direct Known Subclasses:
  AlreadyConnectedException, CancelledKeyException, ClosedSelectorException, ConnectionPendingException, IllegalBlockingModeException, IllegalComponentStateException, InvalidDnDOperationException, InvalidMarkException, NoConnectionPendingException, NonReadableChannelException, NonWritableChannelException, NotYetBoundException, NotYetConnectedException, OverlappingFileLockException

public class IllegalStateException
extends RuntimeException

Signals that a method has been invoked at an illegal or inappropriate time. In other words, the Java environment or Java application is not in an appropriate state for the requested operation.

Since:
  JDK1.1
See Also:
  Serialized Form

Constructor Summary
`IllegalStateException()` Constructs an IllegalStateException with no detail message.
`IllegalStateException(String s)` Constructs an IllegalStateException with the specified detail message.

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### IllegalStateException

    public IllegalStateException()

  Constructs an IllegalStateException with no detail message. A detail message is a String that describes this particular exception.

### IllegalStateException

    public IllegalStateException(String s)

  Constructs an IllegalStateException with the specified detail message. A detail message is a String that describes this particular exception.

Parameters:
  `s` - the String that contains a detailed message

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.