Charger l'entete d'un fichier via le protocole HTTP

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

/**
 * Charger l'entete d'un fichier HTML
 */
public class HttpResponseHeader {

    public static void main(String[] args) {
        try {
            URL url = new URL("http://www.fobec.com");
            URLConnection connection = url.openConnection();

            Map map = connection.getHeaderFields();
            Set set = map.entrySet();

            Iterator iterator = set.iterator();
            while (iterator.hasNext()) {
                System.out.println(iterator.next());
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}