Java tutorial
//package com.java2s; import java.io.File; import java.net.URLDecoder; public class Main { public static String getFileNameFromURL(String s) { if (s == null) { return null; } String s1 = URLDecoder.decode(s); if (s1.indexOf("?") >= 0) { s1 = s1.substring(0, s1.indexOf("?")); } return s1.substring(1 + s1.lastIndexOf(File.separator), s1.length()); } }