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

public class SimpleClient {
   public static void main(String argv[]) {
      ObjectOutputStream oos = null;
      ObjectInputStream ois = null;
      Socket socket = null;


	  if(argv.length < 2){
		  System.out.println("Uso correto:\n");
		  System.out.println("\n     java SimpleClient <hostname> <portnumber>\n\n");
	  }


      try {

        // open a socket connection
        socket = new Socket(argv[0], Integer.parseInt(argv[1]));

        // open I/O streams for objects
        oos = new ObjectOutputStream(socket.getOutputStream());
        ois = new ObjectInputStream(socket.getInputStream());

        // read an object from the server
        oos.close();
        ois.close();

      } catch(Exception e) {
        System.out.println(""+e);
      }
   }
}