Java tutorial
//package com.java2s; /* * Copyright (C) 2014 pengjianbo(pengjianbosoft@gmail.com), Inc. * * 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. */ public class Main { public static String getFileName(String pathandname) { int start = pathandname.lastIndexOf("/"); int end = pathandname.lastIndexOf("."); if (start != -1 && end != -1) { return pathandname.substring(start + 1, end); } else { return null; } } }