Java tutorial
//package com.java2s; /** * Copyright 2008 - 2009 * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License 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. * * @project loonframework * @author chenpeng * @emailceponline@yahoo.com.cn * @version 0.1 */ public class Main { public static String getNoExtensionName(String name) { if (name.indexOf(".") == -1) return name; else return name.substring(0, name.lastIndexOf(getExtension(name)) - 1); } public static String getExtension(String name) { if (name == null) { return ""; } int index = name.lastIndexOf("."); if (index == -1) { return ""; } else { return name.substring(index + 1); } } }