Here you can find the source of subList(List
public static <T> List<T> subList(List<T> parentList, int start, int end)
//package com.java2s; /**//from ww w. j ava2 s . c om * Copyright (c) 2009 - 2012 Red Hat, Inc. * * This software is licensed to you under the GNU General Public License, * version 2 (GPLv2). There is NO WARRANTY for this software, express or * implied, including the implied warranties of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 * along with this software; if not, see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * Red Hat trademarks are not licensed under GPLv2. No permission is * granted to use or replicate Red Hat trademarks that are incorporated * in this software or its documentation. */ import java.util.ArrayList; import java.util.List; public class Main { public static <T> List<T> subList(List<T> parentList, int start, int end) { List<T> l = new ArrayList<T>(); for (int i = start; i < end; i++) { l.add(parentList.get(i)); } return l; } public static <T> List<T> subList(List<T> parentList, int size) { return subList(parentList, 0, size - 1); } }