java.lang
Class NullPointerException

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

public class NullPointerException
extends RuntimeException

Constructor Summary

NullPointerException()
Constructs a NullPointerException with no detail message.

NullPointerException(String s)
Constructs a NullPointerException with the specified detail message.

Method Summary

Methods inherited from class java.lang.Throwable

getMessage, printStackTrace

Methods inherited from class java.lang.Object

clone, equals, getClass, notifyAll, toString, wait

Constructor Detail

NullPointerException

public NullPointerException()

Constructs a NullPointerException with no detail message.

NullPointerException

public NullPointerException(String s)

Constructs a NullPointerException with the specified detail message.

Parameters:

s - the detail message.