1 /* 2 * Copyright (c) 1994, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang; 27 28 /** 29 * Thrown to indicate that the code has attempted to cast an object 30 * to a subclass of which it is not an instance. For example, the 31 * following code generates a {@code ClassCastException}: 32 * <blockquote><pre> 33 * Object x = new Integer(0); 34 * System.out.println((String)x); 35 * </pre></blockquote> 36 * 37 * @since 1.0 38 */ 39 public class ClassCastException extends RuntimeException { 40 @java.io.Serial 41 private static final long serialVersionUID = -9223365651070458532L; 42 43 /** 44 * Constructs a {@code ClassCastException} with no detail message. 45 */ ClassCastException()46 public ClassCastException() { 47 super(); 48 } 49 50 /** 51 * Constructs a {@code ClassCastException} with the specified 52 * detail message. 53 * 54 * @param s the detail message. 55 */ ClassCastException(String s)56 public ClassCastException(String s) { 57 super(s); 58 } 59 } 60