Class java.lang.IllegalArgumentException

java.lang.Object
   |
   +----java.lang.Throwable
           |
           +----java.lang.Exception
                   |
                   +----java.lang.RuntimeException
                           |
                           +----java.lang.IllegalArgumentException

public class IllegalArgumentException
extends RuntimeException

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

See Also:

setPriority