/* Exception.java -- generic exception thrown to indicate an exceptional   condition has occurred.   Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.This file is part of GNU Classpath.GNU Classpath is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2, or (at your option)any later version.GNU Classpath is distributed in the hope that it will be useful, butWITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNUGeneral Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU Classpath; see the file COPYING.  If not, write to theFree Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307 USA.Linking this library statically or dynamically with other modules ismaking a combined work based on this library.  Thus, the terms andconditions of the GNU General Public License cover the wholecombination.As a special exception, the copyright holders of this library give youpermission to link this library with independent modules to produce anexecutable, regardless of the license terms of these independentmodules, and to copy and distribute the resulting executable underterms of your choice, provided that you also meet, for each linkedindependent module, the terms and conditions of the license of thatmodule.  An independent module is a module which is not derived fromor based on this library.  If you modify this library, you may extendthis exception to your version of the library, but you are notobligated to do so.  If you do not wish to do so, delete thisexception statement from your version. */package java.lang;/** * The root class of all exceptions worth catching in a program.  This * includes the special category of <code>RuntimeException</code>, which * does not need to be declared in a throws clause.  Exceptions can be used * to represent almost any exceptional behavior, such as programming errors, * mouse movements, keyboard clicking, etc. * * @author Brian Jones * @author Warren Levy <warrenl@cygnus.com> * @author Eric Blake <ebb9@email.byu.edu> * @status updated to 1.4 */public class Exception extends Throwable{  /**   * Compatible with JDK 1.0+.   */  private static final long serialVersionUID = -3387516993124229948L;  /**   * Create an exception without a message. The cause remains uninitialized.   *   * @see #initCause(Throwable)   */  public Exception()  {  }  /**   * Create an exception with a message. The cause remains uninitialized.   *   * @param s the message   * @see #initCause(Throwable)   */  public Exception(String s)  {    super(s);  }  /**   * Create an exception with a message and a cause.   *   * @param s the message string   * @param cause the cause of this error   * @since 1.4   */  public Exception(String s, Throwable cause)  {    super(s, cause);  }  /**   * Create an exception with a given cause, and a message of   * <code>cause == null ? null : cause.toString()</code>.   *   * @param cause the cause of this exception   * @since 1.4   */  public Exception(Throwable cause)  {    super(cause);  }}