用迭代器的内容填充数组。

/*

 * Distributed as part of mchange-commons-java 0.2.9

 *

 * Copyright (C) 2015 Machinery For Change, Inc.

 *

 * Author: Steve Waldman <swaldman@mchange.com>

 *

 * This library is free software; you can redistribute it and/or modify

 * it under the terms of EITHER:

 *

 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 

 *        published by the Free Software Foundation

 *

 * OR

 *

 *     2) The Eclipse Public License (EPL), version 1.0

 *

 * You may choose which license to accept if you wish to redistribute

 * or modify this work. You may offer derivatives of this work

 * under the license you have chosen, or you may provide the same

 * choice of license which you have been offered here.

 *

 * This software is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 *

 * You should have received copies of both LGPL v2.1 and EPL v1.0

 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.

 * If not, the text of these licenses are currently available at

 *

 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html

 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 

 * 

 */

//package com.nowjava;

import java.util.*;
//nowjava.com

public class Main {

    /**

     * Fills an array with the contents of an iterator. If the array is too small,

     * it will contain the first portion of the iterator. If the array can contain

     * more elements than the iterator, extra elements are left untouched, unless

     * null_terminate is set to true, in which case the element immediately following

     * the last from the iterator is set to null. (This method is intended to make

     * it easy to implement Collection.toArray(Object[] oo) methods...

     *

     * @param null_terminate iff there is extra space in the array, set the element

     *        immediately after the last from the iterator to null.

     */

    public static void fillArray(Iterator ii, Object[] fillMe,

            boolean null_terminate) {

        int i = 0;

        int len = fillMe.length;