/*
 * Copyright (c) 1994, 2020, 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.util;

/**
 * Thrown by various accessor methods to indicate that the element being requested
 * does not exist.
 *
 * @see     java.util.Enumeration#nextElement()
 * @see     java.util.Iterator#next()
 * @since   1.0
 */
public class NoSuchElementException extends RuntimeException {
    @java.io.Serial
    private static final long serialVersionUID = 6769829250639411880L;

    /**
     * Constructs a {@code NoSuchElementException} with {@code null}
     * as its error message string.
     */
    public NoSuchElementException() {
        super();
    }

    /**
     * Constructs a {@code NoSuchElementException} with the specified detail
     * message and cause.
     *
     * @param s     the detail message, or null
     * @param cause the cause (which is saved for later retrieval by the
     *              {@link #getCause()} method), or null
     * @since 15
     */
    public NoSuchElementException(String s, Throwable cause) {
        super(s, cause);
    }

    /**
     * Constructs a {@code NoSuchElementException} with the specified cause.
     * The detail message is set to {@code (cause == null ? null :
     * cause.toString())} (which typically contains the class and
     * detail message of {@code cause}).
     *
     * @param cause the cause (which is saved for later retrieval by the
     *              {@link #getCause()} method)
     * @since 15
     */
    public NoSuchElementException(Throwable cause) {
        super(cause);
    }

    /**
     * Constructs a {@code NoSuchElementException}, saving a reference
     * to the error message string {@code s} for later retrieval by the
     * {@code getMessage} method.
     *
     * @param   s   the detail message.
     */
    public NoSuchElementException(String s) {
        super(s);
    }
}
