import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
public class MainClass {
public static void main(String args[]) throws Exception {
URL u = new URL("http://www.rntsoft.com");
HttpURLConnection http = (HttpURLConnection) u.openConnection();
http.setRequestMethod("HEAD");
System.out.println(u + "was last modified at " + new Date(http.getLastModified()));
}
}