import java.io.ObjectInputStream; import java.net.Socket; import java.util.Hashtable; public class Main{ public static void main(String[] args) throws Exception { Socket sock = new Socket(args[0], 1234); ObjectInputStream ois = new ObjectInputStream(sock.getInputStream()); Hashtable hash = (Hashtable) ois.readObject(); System.out.println(hash); ois.close(); sock.close(); } }