/*
* Copyright (c) 1994, 2011, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
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
* @jls 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);
}
/**
* Constructs a new exception with the specified detail message, cause,
* suppression enabled or disabled, and writable stack trace enabled or
* disabled.
*
* @param message
* the detail message.
* @param cause
* the cause. (A {@code null} value is permitted, and indicates
* that the cause is nonexistent or unknown.)
* @param enableSuppression
* whether or not suppression is enabled or disabled
* @param writableStackTrace
* whether or not the stack trace should be writable
* @since 1.7
*/
protected Exception(String message, Throwable cause,
boolean enableSuppression, boolean writableStackTrace) {
super(message, cause, enableSuppression, writableStackTrace);
}
}