1 /*
   2  * Copyright (c) 1994, 2008, 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 methods in the <code>Stack</code> class to indicate
  30  * that the stack is empty.
  31  *
  32  * @author  Jonathan Payne
  33  * @see     java.util.Stack
  34  * @since   1.0
  35  */
  36 public
  37 class EmptyStackException extends RuntimeException {
  38     private static final long serialVersionUID = 5084686378493302095L;
  39 
  40     /**
  41      * Constructs a new <code>EmptyStackException</code> with <tt>null</tt>
  42      * as its error message string.
  43      */
  44     public EmptyStackException() {
  45     }
  46 }