/*

 * Copyright 1994-2000 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package java.lang;

/**

 * The class {@code Exception} and its subclasses are a form of

 * {@code Throwable} that indicates conditions that a reasonable

 * application might want to catch.

 *

 * <p>The class {@code Exception} and any subclasses that are not also

 * subclasses of {@link RuntimeException} are <em>checked

 * exceptions</em>.  Checked exceptions need to be declared in a

 * method or constructor's {@code throws} clause if they can be thrown

 * by the execution of the method or constructor and propagate outside

 * the method or constructor boundary.

 *

 * @author  Frank Yellin

 * @see     java.lang.Error

 * @jls3 11.2 Compile-Time Checking of Exceptions

 * @since   JDK1.0

 */

public class Exception extends Throwable {

    static final long serialVersionUID = -3387516993124229948L;

    /**

     * Constructs a new exception with {@code null} as its detail message.

     * The cause is not initialized, and may subsequently be initialized by a

     * call to {@link #initCause}.

     */

    public Exception() {

        super();

    }

    /**

     * Constructs a new exception with the specified detail message.  The

     * cause is not initialized, and may subsequently be initialized by

     * a call to {@link #initCause}.

     *

     * @param   message   the detail message. The detail message is saved for

     *          later retrieval by the {@link #getMessage()} method.

     */

    public Exception(String message) {

        super(message);

    }

    /**

     * Constructs a new exception with the specified detail message and

     * cause.  <p>Note that the detail message associated with

     * {@code cause} is <i>not</i> automatically incorporated in

     * this exception's detail message.

     *

     * @param  message the detail message (which is saved for later retrieval

     *         by the {@link #getMessage()} method).

     * @param  cause the cause (which is saved for later retrieval by the

     *         {@link #getCause()} method).  (A <tt>null</tt> value is

     *         permitted, and indicates that the cause is nonexistent or

     *         unknown.)

     * @since  1.4

     */

    public Exception(String message, Throwable cause) {

        super(message, cause);

    }

    /**

     * Constructs a new exception with the specified cause and a detail

     * message of <tt>(cause==null ? null : cause.toString())</tt> (which

     * typically contains the class and detail message of <tt>cause</tt>).

     * This constructor is useful for exceptions that are little more than

     * wrappers for other throwables (for example, {@link

     * java.security.PrivilegedActionException}).

     *

     * @param  cause the cause (which is saved for later retrieval by the

     *         {@link #getCause()} method).  (A <tt>null</tt> value is

     *         permitted, and indicates that the cause is nonexistent or

     *         unknown.)

     * @since  1.4

     */

    public Exception(Throwable cause) {

        super(cause);

    }

}