1 /*
2 * Copyright 1994-2000 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.lang;
27
28 /**
29 * The class <code>Exception</code> and its subclasses are a form of
30 * <code>Throwable</code> that indicates conditions that a reasonable
31 * application might want to catch.
32 *
33 * @author Frank Yellin
34 * @see java.lang.Error
35 * @since JDK1.0
36 */
37 public class Exception extends Throwable {
38 static final long serialVersionUID = -3387516993124229948L;
39
40 /**
41 * Constructs a new exception with <code>null</code> as its detail message.
42 * The cause is not initialized, and may subsequently be initialized by a
43 * call to {@link #initCause}.
44 */
45 public Exception() {
46 super();
47 }
48
49 /**
50 * Constructs a new exception with the specified detail message. The
51 * cause is not initialized, and may subsequently be initialized by
52 * a call to {@link #initCause}.
53 *
54 * @param message the detail message. The detail message is saved for
55 * later retrieval by the {@link #getMessage()} method.
56 */
57 public Exception(String message) {
58 super(message);
59 }
60
61 /**
62 * Constructs a new exception with the specified detail message and
63 * cause. <p>Note that the detail message associated with
64 * <code>cause</code> is <i>not</i> automatically incorporated in
65 * this exception's detail message.
66 *
67 * @param message the detail message (which is saved for later retrieval
68 * by the {@link #getMessage()} method).
69 * @param cause the cause (which is saved for later retrieval by the
70 * {@link #getCause()} method). (A <tt>null</tt> value is
71 * permitted, and indicates that the cause is nonexistent or
72 * unknown.)
73 * @since 1.4
74 */
75 public Exception(String message, Throwable cause) {
76 super(message, cause);
77 }
78
79 /**
80 * Constructs a new exception with the specified cause and a detail
81 * message of <tt>(cause==null ? null : cause.toString())</tt> (which
82 * typically contains the class and detail message of <tt>cause</tt>).
83 * This constructor is useful for exceptions that are little more than
84 * wrappers for other throwables (for example, {@link
85 * java.security.PrivilegedActionException}).
86 *
87 * @param cause the cause (which is saved for later retrieval by the
88 * {@link #getCause()} method). (A <tt>null</tt> value is
89 * permitted, and indicates that the cause is nonexistent or
90 * unknown.)
91 * @since 1.4
92 */
93 public Exception(Throwable cause) {
94 super(cause);
95 }
96 }
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