import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
public class DateExpir
{
/**
* Trouver la date d'expiration d document
*
***/
public static void main(String args[]) throws Exception
{
URL url = new URL("http://www.exemple.com");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
long date = conn.getExpiration();
if (date > 0)
System.out.println("Date d'expiration: " + new Date(date));
}
}