/* * Copyright (c) 1995, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package java.lang; /** * An {@code Error} is a subclass of {@code Throwable} * that indicates serious problems that a reasonable application * should not try to catch. Most such errors are abnormal conditions. * The {@code ThreadDeath} error, though a "normal" condition, * is also a subclass of {@code Error} because most applications * should not try to catch it. * <p> * A method is not required to declare in its {@code throws} * clause any subclasses of {@code Error} that might be thrown * during the execution of the method but not caught, since these * errors are abnormal conditions that should never occur. * * That is, {@code Error} and its subclasses are regarded as unchecked * exceptions for the purposes of compile-time checking of exceptions. * * @author Frank Yellin * @see java.lang.ThreadDeath * @jls 11.2 Compile-Time Checking of Exceptions * @since 1.0 */ public class Error extends Throwable { static final long serialVersionUID = 4980196508277280342L; /** * Constructs a new error with {@code null} as its detail message. * The cause is not initialized, and may subsequently be initialized by a * call to {@link #initCause}. */ public Error() { super(); } /** * Constructs a new error 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 Error(String message) { super(message); } /** * Constructs a new error 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 error'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 {@code null} value is * permitted, and indicates that the cause is nonexistent or * unknown.) * @since 1.4 */ public Error(String message, Throwable cause) { super(message, cause); } /** * Constructs a new error with the specified cause and a detail * message of {@code (cause==null ? null : cause.toString())} (which * typically contains the class and detail message of {@code cause}). * This constructor is useful for errors that are little more than * wrappers for other throwables. * * @param cause the cause (which is saved for later retrieval by the * {@link #getCause()} method). (A {@code null} value is * permitted, and indicates that the cause is nonexistent or * unknown.) * @since 1.4 */ public Error(Throwable cause) { super(cause); } /** * Constructs a new error 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 Error(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) { super(message, cause, enableSuppression, writableStackTrace); } }