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## java.lang
Class IllegalArgumentException

    java.lang.Object
      java.lang.Throwable
          java.lang.Exception
              java.lang.RuntimeException
                  java.lang.IllegalArgumentException

All Implemented Interfaces:
  Serializable

Direct Known Subclasses:
  IllegalCharsetNameException, IllegalSelectorException, IllegalThreadStateException, InvalidParameterException, NumberFormatException, PatternSyntaxException, UnresolvedAddressException, UnsupportedAddressTypeException, UnsupportedCharsetException

public class IllegalArgumentException
extends RuntimeException

Thrown to indicate that a method has been passed an illegal or inappropriate argument.

Since:
  JDK1.0
See Also:
  `Thread.setPriority(int)`, Serialized Form

Constructor Summary
`IllegalArgumentException()` Constructs an `IllegalArgumentException` with no detail message.
`IllegalArgumentException(String s)` Constructs an `IllegalArgumentException` 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

### IllegalArgumentException

    public IllegalArgumentException()

  Constructs an `IllegalArgumentException` with no detail message.

### IllegalArgumentException

    public IllegalArgumentException(String s)

  Constructs an `IllegalArgumentException` with the specified detail message.

Parameters:
  `s` - the detail 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.