Here you can find the source of arraycopy(Object[] src, int srcPos, Object[] dest, int destPos, int length)
public static void arraycopy(Object[] src, int srcPos, Object[] dest, int destPos, int length)
//package com.java2s; /*/*from w ww . j a v a 2 s .c om*/ * Copyright (c) 2014, 2016 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ public class Main { public static void arraycopy(Object[] src, int srcPos, Object[] dest, int destPos, int length) { System.arraycopy(src, srcPos, dest, destPos, length); } }