Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2008, 2011 IBM Corporation and others. * 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 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ public class Main { public static boolean isWhitespace(String s) { if (s == null) return false; for (char c : s.toCharArray()) { if (!Character.isWhitespace(c)) { return false; } } return true; } }