Here you can find the source of containsIgnoreCase(List
public static boolean containsIgnoreCase(List<String> list, String findMe)
//package com.java2s; /******************************************************************************* * Cloud Foundry//from ww w . j a va2 s .c o m * Copyright (c) [2009-2016] Pivotal Software, Inc. All Rights Reserved. * * This product is licensed to you under the Apache License, Version 2.0 (the "License"). * You may not use this product except in compliance with the License. * * This product includes a number of subcomponents with * separate copyright notices and license terms. Your use of these * subcomponents is subject to the terms and conditions of the * subcomponent's license, as noted in the LICENSE file. *******************************************************************************/ import java.util.List; public class Main { public static boolean containsIgnoreCase(List<String> list, String findMe) { for (String s : list) { if (findMe.equalsIgnoreCase(s)) { return true; } } return false; } }