3261N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * An iterator over a collection. {@code Iterator} takes the place of 0N/A * {@link Enumeration} in the Java Collections Framework. Iterators 0N/A * differ from enumerations in two ways: 0N/A * <li> Iterators allow the caller to remove elements from the 0N/A * underlying collection during the iteration with well-defined 0N/A * <li> Method names have been improved. 0N/A * <p>This interface is a member of the 0N/A * Java Collections Framework</a>. 2189N/A * @param <E> the type of elements returned by this iterator 0N/A * @author Josh Bloch 0N/A * Returns {@code true} if the iteration has more elements. 0N/A * (In other words, returns {@code true} if {@link #next} would 0N/A * return an element rather than throwing an exception.) 0N/A * @return {@code true} if the iteration has more elements 0N/A * Returns the next element in the iteration. 0N/A * @return the next element in the iteration 0N/A * @throws NoSuchElementException if the iteration has no more elements 0N/A * Removes from the underlying collection the last element returned 0N/A * by this iterator (optional operation). This method can be called 0N/A * only once per call to {@link #next}. The behavior of an iterator 0N/A * is unspecified if the underlying collection is modified while the 0N/A * iteration is in progress in any way other than by calling this 0N/A * @throws UnsupportedOperationException if the {@code remove} 0N/A * operation is not supported by this iterator 0N/A * @throws IllegalStateException if the {@code next} method has not 0N/A * yet been called, or the {@code remove} method has already 0N/A * been called after the last call to the {@code next}