Client

package com.ajnin.game;

import com.ajnin.game.serverobjects.TypeMessage;
import com.jme3.app.SimpleApplication;
import com.jme3.network.Client;
import com.jme3.network.ClientStateListener;
import com.jme3.network.Message;
import com.jme3.network.MessageListener;
import com.jme3.network.Network;
import com.jme3.network.serializing.Serializer;
import com.jme3.system.JmeContext;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Ajnin
 */
public class MainClient extends SimpleApplication implements MessageListener<Client>, ClientStateListener {

    public Client myClient;

    public static void main(String[] args) {
        MainClient app = new MainClient();
        app.start(JmeContext.Type.Display); // standard display type
    }

    @Override
    public void simpleInitApp() {
        Serializer.registerClass(TypeMessage.class);
        connect("localhost", 7777);
    }

    public void connect(String ip, int port) {
        try {
            System.out.println("Connecting...");
            myClient = Network.connectToServer(ip, port);
            myClient.addClientStateListener(this);
            System.out.println(myClient.getGameName() + " " + myClient.getVersion());
            myClient.start();
            System.out.println("Connected");

            System.out.println("Sending Version and name info...");
            String clientInformation = myClient.getGameName() + "|" + myClient.getVersion();
            System.out.println("Collected information: " + clientInformation + " now sending...");
            Message gameInformation = new TypeMessage((String) clientInformation, "Game Identity");
            gameInformation.setReliable(true);
            myClient.send(gameInformation);
            System.out.println("Version and name sent.");

        } catch (IOException ex) {
            Logger.getLogger(MainClient.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    @Override
    public void simpleUpdate(float tpf) {
    }

    @Override
    public void messageReceived(Client source, Message message) {
        if (message instanceof TypeMessage) {
            TypeMessage information = (TypeMessage) message;
            if (information.getType().equals("Broadcast")) {
                System.out.println(information.getMessage());
            }
        }
    }

    @Override
    public void destroy() {
        myClient.close();
        super.destroy();
    }

    @Override
    public void clientConnected(Client c) {
    }

    @Override
    public void clientDisconnected(Client c, DisconnectInfo info) {
        System.out.println("Kicked: " + info);
    }
}