1 /* 2 * Copyright (c) 1994, 2019, 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.util; 27 28 /** 29 * Thrown by various accessor methods to indicate that the element being requested 30 * does not exist. 31 * 32 * @author unascribed 33 * @see java.util.Enumeration#nextElement() 34 * @see java.util.Iterator#next() 35 * @since 1.0 36 */ 37 public class NoSuchElementException extends RuntimeException { 38 @java.io.Serial 39 private static final long serialVersionUID = 6769829250639411880L; 40 41 /** 42 * Constructs a {@code NoSuchElementException} with {@code null} 43 * as its error message string. 44 */ 45 public NoSuchElementException() { 46 super(); 47 } 48 49 /** 50 * Constructs a {@code NoSuchElementException}, saving a reference 51 * to the error message string {@code s} for later retrieval by the 52 * {@code getMessage} method. 53 * 54 * @param s the detail message. 55 */ 56 public NoSuchElementException(String s) { 57 super(s); 58 } 59 60 /** 61 * Constructs a {@code NoSuchElementException} with the specified detail 62 * message and cause. 63 * 64 * @param s the detail message, or null 65 * @param cause the cause (which is saved for later retrieval by the 66 * {@link #getCause()} method), or null 67 * @since 15 68 */ 69 public NoSuchElementException(String s, Throwable cause) { 70 super(s, cause); 71 } 72 73 /** 74 * Constructs a {@code NoSuchElementException} with the specified cause. 75 * The detail message is set to {@code (cause == null ? null : 76 * cause.toString())} (which typically contains the class and 77 * detail message of {@code cause}). 78 * 79 * @param cause the cause (which is saved for later retrieval by the 80 * {@link #getCause()} method) 81 * @since 15 82 */ 83 public NoSuchElementException(Throwable cause) { 84 super(cause); 85 } 86 }