// part of GUI code

start = new JButton ("Start Game Server");
        start.addActionListener (new ActionListener() {

            public void actionPerformed (ActionEvent event) {
                DEFAULT_PORT = Integer.parseInt(port.getText());
                //fgServer.run();
                fgServerFrame = new FishingGameServerFrame();
                //frame.dispose();
            }
        });

// server code

public class FishingGameServer {

    private static int DEFAULT_PORT = 0;

    public void run()
    {

        int port = DEFAULT_PORT;

        port = Integer.parseInt(FishingGameConnectServerFrame.portNumber());
        System.out.println("port #: " + port);

        //setup server socket
        ServerSocket reception_socket = null;

        try {
            reception_socket = new ServerSocket (port);
            System.out.println("Started server on port " + port);
        }
        catch (IOException e) {
            //to get text in GUI frame
            System.out.println("Cannot create server");
            System.exit(0);
        }

        for (;;) {
            Socket client_socket = null;

            try {
                client_socket = reception_socket.accept();
                System.out.println("Accepting requests from:" + client_socket.getInetAddress());
            }
            catch (IOException i) {
                System.out.println ("Problem accepting client socket");
            }

            new FishingGameThreadedServer(client_socket);
        }
    }

    public static void main (String[] args) {

    new FishingGameServer().run();
    }