java.lang
Class Throwable

java.lang.Object
  java.lang.Throwable

Direct Known Subclasses:

Error, Exception

public class Throwable
extends Object

Base class for exceptions and errors.

Constructor Summary

Throwable()
constructor: initialize a throwable without detailed message

Throwable(String message)
constructor: initialize a throwable with detailed message

Method Summary

String	getMessage() get detailed message of current throwable
void	printStackTrace() dumps the stacktrace of current throwable onto display

Methods inherited from class java.lang.Object

clone, equals, getClass, notifyAll, toString, wait

Constructor Detail

Throwable

public Throwable()

constructor: initialize a throwable without detailed message

Throwable

public Throwable(String message)

constructor: initialize a throwable with detailed message

Method Detail

getMessage

public String getMessage()

get detailed message of current throwable

Returns:

detailed message or null if not exist

printStackTrace

public void printStackTrace()

dumps the stacktrace of current throwable onto display