public class SocketClient implements Runnable {
    private Thread serverThread;
    //------------------------------
    public SocketClient() {
      serverThread = new Thread(this, "Server");
      serverThread.start();
    }
    //------------------------------
    public void run() {
      String address = "DemoFix9.cfixtech.com";
      int serverPort = 5209;
      try {
      InetAddress ipAddress = InetAddress.getByName(address);
      Socket socket = new Socket(ipAddress, serverPort);
      this.console.getOut().println("Client connected");
      ObjectOutputStream outputS = new ObjectOutputStream(socket.getOutputStream());
      outputS.writeObject("hello");
     
      ObjectInputStream inputStream = new ObjectInputStream(socket.getInputStream());
      String message = (String) inputStream.readObject();
      this.console.getOut().println("Message: " + message);
      inputStream.close();
      outputS.close();
      socket.close();
      }
      catch (UnknownHostException e) {
      this.console.getOut().println("UnknownHostException");
      }
      catch (IOException e) {
      this.console.getOut().println("non connected");
      }
      catch (ClassNotFoundException e) {
      this.console.getOut().println("ClassNotFoundException");
      }
    }
    //----------------------------------
    public void stopRun() {
     
    }
    }

outputS.writeObject("hello");
this.console.getOut().println("message send");

String message = (String) inputStream.readObject();
this.console.getOut().println("Message: " + message);
this.console.getOut().println("message read");