01 /*
02 * Copyright 1995-2000 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * 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 * <code>RuntimeException</code> is the superclass of those
30 * exceptions that can be thrown during the normal operation of the
31 * Java Virtual Machine.
32 * <p>
33 * A method is not required to declare in its <code>throws</code>
34 * clause any subclasses of <code>RuntimeException</code> that might
35 * be thrown during the execution of the method but not caught.
36 *
37 *
38 * @author Frank Yellin
39 * @version 1.20, 05/05/07
40 * @since JDK1.0
41 */
42 public class RuntimeException extends Exception {
43 static final long serialVersionUID = -7034897190745766939L;
44
45 /** Constructs a new runtime exception with <code>null</code> as its
46 * detail message. The cause is not initialized, and may subsequently be
47 * initialized by a call to {@link #initCause}.
48 */
49 public RuntimeException() {
50 super ();
51 }
52
53 /** Constructs a new runtime exception with the specified detail message.
54 * The cause is not initialized, and may subsequently be initialized by a
55 * call to {@link #initCause}.
56 *
57 * @param message the detail message. The detail message is saved for
58 * later retrieval by the {@link #getMessage()} method.
59 */
60 public RuntimeException(String message) {
61 super (message);
62 }
63
64 /**
65 * Constructs a new runtime exception with the specified detail message and
66 * cause. <p>Note that the detail message associated with
67 * <code>cause</code> is <i>not</i> automatically incorporated in
68 * this runtime exception's detail message.
69 *
70 * @param message the detail message (which is saved for later retrieval
71 * by the {@link #getMessage()} method).
72 * @param cause the cause (which is saved for later retrieval by the
73 * {@link #getCause()} method). (A <tt>null</tt> value is
74 * permitted, and indicates that the cause is nonexistent or
75 * unknown.)
76 * @since 1.4
77 */
78 public RuntimeException(String message, Throwable cause) {
79 super (message, cause);
80 }
81
82 /** Constructs a new runtime exception with the specified cause and a
83 * detail message of <tt>(cause==null ? null : cause.toString())</tt>
84 * (which typically contains the class and detail message of
85 * <tt>cause</tt>). This constructor is useful for runtime exceptions
86 * that are little more than wrappers for other throwables.
87 *
88 * @param cause the cause (which is saved for later retrieval by the
89 * {@link #getCause()} method). (A <tt>null</tt> value is
90 * permitted, and indicates that the cause is nonexistent or
91 * unknown.)
92 * @since 1.4
93 */
94 public RuntimeException(Throwable cause) {
95 super(cause);
96 }
97 }
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