Multiplayer Class

public class Multiplayer {

    public Client client;
    public static final String ip = "localhost";
    public static final int tcpPort = 32000, udpPort = 32556;
    public static boolean messageRecieved = false;

    public Multiplayer() {
        try {
            client = new Client();
            register();

            NetworkListener nl = new NetworkListener();
            nl.init(client);
            client.addListener(nl);

            client.start();
            client.connect(5000, ip, tcpPort, udpPort);
        } catch (IOException e) {
            e.printStackTrace();
            client.stop();
        }
    }

    private synchronized void register() {
        Kryo kryo = new Kryo();
        kryo.register(Packet00LoginRequest.class);
        kryo.register(Packet01LoginAnswer.class);
    }

}