Here you can find the source of subList(List
public static <E> List<E> subList(List<E> list, int start, int end)
//package com.java2s; /**/*from w w w. j a v a 2 s .c om*/ * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * 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. */ import java.util.ArrayList; import java.util.List; public class Main { public static <E> List<E> subList(List<E> list, int start, int end) { List<E> newList = new ArrayList<E>(); int normalizedSize = list.size() - 1; if ((start < 0) || (start > normalizedSize) || (end < 0) || (start > end)) { return newList; } for (int i = start; (i < end) && (i <= normalizedSize); i++) { newList.add(list.get(i)); } return newList; } }