Here you can find the source of addAll(Collection collection, Object[] array)
public static void addAll(Collection collection, Object[] array)
//package com.java2s; /*//from w ww .ja va 2 s . c o m * Copyright 2001-2008 Aqris Software AS. All rights reserved. * * This program is dual-licensed under both the Common Development * and Distribution License ("CDDL") and the GNU General Public * License ("GPL"). You may elect to use one or the other of these * licenses. */ import java.util.Collection; public class Main { public static void addAll(Collection collection, Object[] array) { for (int i = 0, max = array.length; i < max; i++) { collection.add(array[i]); } } }