Java tutorial
//package com.java2s; /* * Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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. */ public class Main { /** * Returns true if the specified string is null or empty. * * @param s * The string to test. * @return True if the specified string is null or empty. */ private static boolean isEmptyString(String s) { return s == null || s.trim().length() == 0; } }