Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2008 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: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ public class Main { public static String getPrefix(String nodeName) { int index = nodeName.lastIndexOf(58); if (index == -1) { return null; } else { return nodeName.substring(0, index); } } }