Here you can find the source of lastModifiedURL(String urlstr)
public static long lastModifiedURL(String urlstr)
//package com.java2s; /*// w ww. ja v a 2 s .c o m This file is part of JFLICKS. JFLICKS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. JFLICKS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with JFLICKS. If not, see <http://www.gnu.org/licenses/>. */ import java.io.IOException; import java.net.URL; import java.net.URLConnection; public class Main { public static long lastModifiedURL(String urlstr) { long result = 0L; if (urlstr != null) { try { URL url = new URL(urlstr); URLConnection conn = url.openConnection(); result = conn.getLastModified(); } catch (IOException ex) { ex.printStackTrace(); } } return (result); } }