/*
* @(#)Enumeration.java 1.9 95/08/13
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package java.util;
/**
* The Enumeration interface specifies a set of methods that may be used
* to enumerate, or count through, a set of values. The enumeration is
* consumed by use; its values may only be counted once.<p>
*
* For example, to print all elements of a Vector v:
* <pre>
* for (Enumeration e = v.elements() ; e.hasMoreElements() ;) {
* System.out.println(e.nextElement());
* }
* </pre>
* @see Vector
* @see Hashtable
* @version 1.9, 13 Aug 1995
* @author Lee Boynton
*/
public interface Enumeration {
/**
* Returns true if the enumeration contains more elements; false
* if its empty.
*/
boolean hasMoreElements();
/**
* Returns the next element of the enumeration. Calls to this
* method will enumerate successive elements.
* @exception NoSuchElementException If no more elements exist.
*/
Object nextElement();
}