Here you can find the source of areEqual(String thisString, String thatString)
public static boolean areEqual(String thisString, String thatString)
//package com.java2s; /******************************************************************************* * Copyright (c) 2011-2015 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is made available under the terms of the * Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html * * Contributors:/*from w ww. j a v a 2 s . c o m*/ * Red Hat, Inc. - initial API and implementation ******************************************************************************/ public class Main { public static boolean areEqual(String thisString, String thatString) { if (thisString == null) { return thatString == null; } else { return thisString.equals(thatString); } } }