java.lang
Class NullPointerException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              java.lang.NullPointerException

public class NullPointerException

extends RuntimeException

Exception thrown if an attempt is made to use a null reference.

Constructor Summary

NullPointerException()

NullPointerException(String message)

Methods inherited from class java.lang.Throwable

fillInStackTrace, getMessage, printStackTrace

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait

Constructor Detail

NullPointerException

public NullPointerException()

NullPointerException

public NullPointerException(String message)