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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.collections4;

import java.util.Iterator;

/**
 * Defines an iterator that operates over an ordered container. Subset of {@link java.util.ListIterator}.
 * 

* This iterator allows both forward and reverse iteration through the container. * * @param the type to iterate over * @since 3.0 * @version $Id: OrderedIterator.java 1469004 2013-04-17 17:37:03Z tn $ */ public interface OrderedIterator extends Iterator { /** * Checks to see if there is a previous element that can be iterated to. * * @return true if the iterator has a previous element */ boolean hasPrevious(); /** * Gets the previous element from the container. * * @return the previous element in the iteration * @throws java.util.NoSuchElementException if the iteration is finished */ E previous(); }





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