Here you can find the source of arrayReverse(Object[] array)
public static void arrayReverse(Object[] array)
//package com.java2s; /**// w ww . j av a 2s.co m * Copyright (c) 1997-2013, www.tinygroup.org (luo_guo@icloud.com). * * Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html * * 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. */ public class Main { public static void arrayReverse(Object[] array) { if (array == null) { return; } Object tmp; for (int i = 0, j = array.length - 1; j > i; i++, j--) { tmp = array[j]; array[j] = array[i]; array[i] = tmp; } } }