Here you can find the source of createReversedList(List
public static <T> List<T> createReversedList(List<T> inputList)
//package com.java2s; /*//from www . ja v a 2s . com * Copyright 2010 Guy Mahieu * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.ArrayList; import java.util.Collections; import java.util.List; public class Main { public static <T> List<T> createReversedList(List<T> inputList) { List<T> result = new ArrayList<T>(inputList); // avoid changing the input Collections.reverse(result); return result; } }