Here you can find the source of isEqual(String str, String str2, boolean isCaseSensitive)
public static boolean isEqual(String str, String str2, boolean isCaseSensitive)
//package com.java2s; /******************************************************************************* * Copyright (c) 2014 Salesforce.com, inc.. * All rights reserved. This program and the accompanying materials * are 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 * //from w w w . jav a 2s .c o m * Contributors: * Salesforce.com, inc. - initial API and implementation ******************************************************************************/ import java.util.Collection; import java.util.List; import java.util.Map; public class Main { public static boolean isEqual(String str, String str2, boolean isCaseSensitive) { return isNotEmpty(str) && isNotEmpty(str2) ? isCaseSensitive ? str.equals(str2) : str.equalsIgnoreCase(str2) : false; } public static boolean isEqual(String str, String compareStr) { return isNotEmpty(str) && isNotEmpty(compareStr) && str.equals(compareStr); } public static boolean isNotEmpty(Object obj) { return !isEmpty(obj); } public static boolean isNotEmpty(Object[] objs) { return !isEmpty(objs); } public static boolean isNotEmpty(byte[] objs) { return !isEmpty(objs); } public static boolean isNotEmpty(Collection<?> col) { return !isEmpty(col); } public static boolean isNotEmpty(List<?> col) { return !isEmpty(col); } public static boolean isNotEmpty(Map<?, ?> map) { return map != null && !map.isEmpty(); } public static boolean isNotEmpty(String str) { return !isEmpty(str); } public static boolean isEmpty(Object obj) { return obj == null; } public static boolean isEmpty(Object[] objs) { return objs == null || objs.length == 0; } public static boolean isEmpty(byte[] objs) { return objs == null || objs.length == 0; } public static boolean isEmpty(Collection<?> col) { return col == null || col.isEmpty(); } public static boolean isEmpty(List<?> col) { return col == null || col.isEmpty(); } public static boolean isEmpty(Map<?, ?> map) { return map == null || map.isEmpty(); } public static boolean isEmpty(String str) { return str == null || str.length() == 0; } }