Java tutorial
//package com.java2s; /* * Copyright (c) Fiorano Software Pte. Ltd. and affiliates. All rights reserved. http://www.fiorano.com * The software in this package is published under the terms of the CPAL v1.0 * license, a copy of which has been included with this distribution in the * LICENSE.txt file. */ import java.util.*; public class Main { public static void set(List list, int index, Object value) { while (index >= list.size()) list.add(null); list.set(index, value); } }