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Types that extend and augment the Java Collections Framework.

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.commons.collections.iterators;

import org.apache.commons.collections.MapIterator;
import org.apache.commons.collections.ResettableIterator;

/** 
 * Provides an implementation of an empty map iterator.
 *
 * @since Commons Collections 3.1
 * @version $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
 * 
 * @author Stephen Colebourne
 */
public class EmptyMapIterator extends AbstractEmptyIterator implements MapIterator, ResettableIterator {

    /**
     * Singleton instance of the iterator.
     * @since Commons Collections 3.1
     */
    public static final MapIterator INSTANCE = new EmptyMapIterator();

    /**
     * Constructor.
     */
    protected EmptyMapIterator() {
        super();
    }

}