Java Doc for NullPointerException.java in  » Apache-Harmony-Java-SE » java-package » java » lang » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.lang   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.lang.Throwable       java.lang.Exception          java.lang.RuntimeException             java.lang.NullPointerException NullPointerException public class NullPointerException extends RuntimeException (Code) This runtime exception is thrown when an attempt is made to access a field or method of an instance or an element of an array when there is no instance or array to use (i.e. the pointer is null). Constructor Summary public   NullPointerException()      Constructs a new instance of this class with its walkback filled in. public   NullPointerException(String detailMessage)      Constructs a new instance of this class with its walkback and message filled in. Constructor Detail NullPointerException public NullPointerException()(Code) Constructs a new instance of this class with its walkback filled in. NullPointerException public NullPointerException(String detailMessage)(Code) Constructs a new instance of this class with its walkback and message filled in. Parameters:   detailMessage - String The detail message for the exception. Methods inherited from java.lang.Throwable public Throwable fillInStackTrace()(Code)(Java Doc) public Throwable getCause()(Code)(Java Doc) public String getLocalizedMessage()(Code)(Java Doc) public String getMessage()(Code)(Java Doc) public StackTraceElement[] getStackTrace()(Code)(Java Doc) public Throwable initCause(Throwable initialCause)(Code)(Java Doc) public void printStackTrace()(Code)(Java Doc) public void printStackTrace(PrintStream ps)(Code)(Java Doc) public void printStackTrace(PrintWriter pw)(Code)(Java Doc) public void setStackTrace(StackTraceElement[] stackTrace)(Code)(Java Doc) public String toString()(Code)(Java Doc) Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final public Class<? extends Object> getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify()(Code)(Java Doc) final public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait(long millis) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)