Source code: java/lang/Exception.java
1 /* Exception.java -- generic exception thrown to indicate an exceptional
2 condition has occurred.
3 Copyright (C) 1998, 1999, 2001, 2002, 2005 Free Software Foundation, Inc.
4
5 This file is part of GNU Classpath.
6
7 GNU Classpath is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 GNU Classpath is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Classpath; see the file COPYING. If not, write to the
19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301 USA.
21
22 Linking this library statically or dynamically with other modules is
23 making a combined work based on this library. Thus, the terms and
24 conditions of the GNU General Public License cover the whole
25 combination.
26
27 As a special exception, the copyright holders of this library give you
28 permission to link this library with independent modules to produce an
29 executable, regardless of the license terms of these independent
30 modules, and to copy and distribute the resulting executable under
31 terms of your choice, provided that you also meet, for each linked
32 independent module, the terms and conditions of the license of that
33 module. An independent module is a module which is not derived from
34 or based on this library. If you modify this library, you may extend
35 this exception to your version of the library, but you are not
36 obligated to do so. If you do not wish to do so, delete this
37 exception statement from your version. */
38
39
40 package java.lang;
41
42 /**
43 * The root class of all exceptions worth catching in a program. This
44 * includes the special category of <code>RuntimeException</code>, which
45 * does not need to be declared in a throws clause. Exceptions can be used
46 * to represent almost any exceptional behavior, such as programming errors,
47 * mouse movements, keyboard clicking, etc.
48 *
49 * @author Brian Jones
50 * @author Warren Levy (warrenl@cygnus.com)
51 * @author Eric Blake (ebb9@email.byu.edu)
52 * @status updated to 1.4
53 */
54 public class Exception extends Throwable
55 {
56 /**
57 * Compatible with JDK 1.0+.
58 */
59 private static final long serialVersionUID = -3387516993124229948L;
60
61 /**
62 * Create an exception without a message. The cause remains uninitialized.
63 *
64 * @see #initCause(Throwable)
65 */
66 public Exception()
67 {
68 }
69
70 /**
71 * Create an exception with a message. The cause remains uninitialized.
72 *
73 * @param s the message
74 * @see #initCause(Throwable)
75 */
76 public Exception(String s)
77 {
78 super(s);
79 }
80
81 /**
82 * Create an exception with a message and a cause.
83 *
84 * @param s the message string
85 * @param cause the cause of this error
86 * @since 1.4
87 */
88 public Exception(String s, Throwable cause)
89 {
90 super(s, cause);
91 }
92
93 /**
94 * Create an exception with a given cause, and a message of
95 * <code>cause == null ? null : cause.toString()</code>.
96 *
97 * @param cause the cause of this exception
98 * @since 1.4
99 */
100 public Exception(Throwable cause)
101 {
102 super(cause);
103 }
104 }