Here you can find the source of copyArray(Object[] from, Object[] to)
public static void copyArray(Object[] from, Object[] to)
//package com.java2s; /*/*w w w . jav a 2 s.com*/ * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. This library 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. See the GNU Lesser * General Public License for more details. You should have received a copy of * the GNU Lesser General Public License along with this library; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA */ public class Main { public static void copyArray(Object[] from, Object[] to) { for (int i = 0; i < from.length; i++) { to[i] = from[i]; } } public static void copyArray(int[] from, int[] to) { for (int i = 0; i < from.length; i++) { to[i] = from[i]; } } }