Java Remote Communication

import java.rmi.*;

/**
 *
 * @author Jay
 */
public class RMIClient {

    public static void main(String[] args)
    {
        try
        {
            RemoteServer s=(RemoteServer)
            Naming.lookup("rmi://localhost/RMIServer");
            s.helloYou();
        }
        catch ( Exception e )
        {
            System.out.println("Exception: " + e.getMessage());
        }
    }
}