//
import java.io.*;
import java.net.*;

public class ValiditeURLConnexion { 
   public static void test(URL url)
   throws IOException 
     {URLConnection c=url.openConnection();
      DataInputStream dis =new DataInputStream(c.getInputStream());
      dis.close();
     }
   
   public static void test(String s)
   throws MalformedURLException,IOException 
     {test(new URL(s));}
   
}