001    /* Error.java -- Indication of fatal abnormal conditions
002       Copyright (C) 1998, 1999, 2001, 2002, 2005  Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package java.lang;
040    
041    /**
042     * Applications should not try to catch errors since they indicate
043     * abnormal conditions.  An abnormal condition is something which should not
044     * occur, or which should not be recovered from.  This latter category
045     * includes <code>ThreadDeath</code> and <code>AssertionError</code>.
046     *
047     * <p>A method is not required to declare any subclass of <code>Error</code> in
048     * its <code>throws</code> clause which might be thrown but not caught while
049     * executing the method.
050     *
051     * @author Brian Jones
052     * @author Tom Tromey (tromey@cygnus.com)
053     * @author Eric Blake (ebb9@email.byu.edu)
054     * @since 1.0
055     * @status updated to 1.4
056     */
057    public class Error extends Throwable
058    {
059      /**
060       * Compatible with JDK 1.0+.
061       */
062      private static final long serialVersionUID = 4980196508277280342L;
063    
064      /**
065       * Create an error without a message. The cause remains uninitialized.
066       *
067       * @see #initCause(Throwable)
068       */
069      public Error()
070      {
071      }
072    
073      /**
074       * Create an error with a message. The cause remains uninitialized.
075       *
076       * @param s the message string
077       * @see #initCause(Throwable)
078       */
079      public Error(String s)
080      {
081        super(s);
082      }
083    
084      /**
085       * Create an error with a message and a cause.
086       *
087       * @param s the message string
088       * @param cause the cause of this error
089       * @since 1.4
090       */
091      public Error(String s, Throwable cause)
092      {
093        super(s, cause);
094      }
095    
096      /**
097       * Create an error with a given cause, and a message of
098       * <code>cause == null ? null : cause.toString()</code>.
099       *
100       * @param cause the cause of this error
101       * @since 1.4
102       */
103      public Error(Throwable cause)
104      {
105        super(cause);
106      }
107    }