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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package java.lang;
27 
28 /**
29  * Signals that a method has been invoked at an illegal or
30  * inappropriate time.  In other words, the Java environment or
31  * Java application is not in an appropriate state for the requested
32  * operation.
33  *
34  * @author  Jonni Kanerva
35  * @since   JDK1.1
36  */
37 public
38 class IllegalStateException extends RuntimeException {
39     /**
40      * Constructs an IllegalStateException with no detail message.
41      * A detail message is a String that describes this particular exception.
42      */
IllegalStateException()43     public IllegalStateException() {
44         super();
45     }
46 
47     /**
48      * Constructs an IllegalStateException with the specified detail
49      * message.  A detail message is a String that describes this particular
50      * exception.
51      *
52      * @param s the String that contains a detailed message
53      */
IllegalStateException(String s)54     public IllegalStateException(String s) {
55         super(s);
56     }
57 
58     /**
59      * Constructs a new exception with the specified detail message and
60      * cause.
61      *
62      * <p>Note that the detail message associated with <code>cause</code> is
63      * <i>not</i> automatically incorporated in this exception's detail
64      * message.
65      *
66      * @param  message the detail message (which is saved for later retrieval
67      *         by the {@link Throwable#getMessage()} method).
68      * @param  cause the cause (which is saved for later retrieval by the
69      *         {@link Throwable#getCause()} method).  (A <tt>null</tt> value
70      *         is permitted, and indicates that the cause is nonexistent or
71      *         unknown.)
72      * @since 1.5
73      */
IllegalStateException(String message, Throwable cause)74     public IllegalStateException(String message, Throwable cause) {
75         super(message, cause);
76     }
77 
78     /**
79      * Constructs a new exception with the specified cause and a detail
80      * message of <tt>(cause==null ? null : cause.toString())</tt> (which
81      * typically contains the class and detail message of <tt>cause</tt>).
82      * This constructor is useful for exceptions that are little more than
83      * wrappers for other throwables (for example, {@link
84      * java.security.PrivilegedActionException}).
85      *
86      * @param  cause the cause (which is saved for later retrieval by the
87      *         {@link Throwable#getCause()} method).  (A <tt>null</tt> value is
88      *         permitted, and indicates that the cause is nonexistent or
89      *         unknown.)
90      * @since  1.5
91      */
IllegalStateException(Throwable cause)92     public IllegalStateException(Throwable cause) {
93         super(cause);
94     }
95 
96     static final long serialVersionUID = -1848914673093119416L;
97 }
98