JPanel Focus

public class War extends JFrame{
 
 
    String serverAddress;
    int width;
    int height;
 
    int tileWidth;
    int tileHeight;
 
    WarPanel panel;
    
    JPanel jpanel;
    Launch lPanel;
    ServerSelect sPanel;
 
 
    public War(){
        
        showLaunch();
 
    }
    
    public static void main(String args[]){
            
            new War();
        
    }
 
 
    public void init(String ip){
 
        jpanel.removeAll();
        serverAddress = ip;
        panel = new WarPanel(serverAddress);
 
        jpanel = (JPanel)getContentPane();
        jpanel.add(panel, BorderLayout.CENTER);
 
 
 
        BufferedImage cur = new BufferedImage(1, 1, BufferedImage.TYPE_4BYTE_ABGR);
        Cursor customCursor = Toolkit.getDefaultToolkit().createCustomCursor(cur,new Point(0,0),""); 
        setCursor(customCursor);
        setFocusable(true);
        setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        setSize(800,800);
        setVisible(true);
 
        System.out.println(hasFocus());
        panel.init();
        panel.game();
 
    }
    
    
    public void showLaunch(){
 
 
        lPanel = new Launch(this);
 
        jpanel = (JPanel)getContentPane();
        jpanel.add(lPanel, BorderLayout.CENTER);
 
        System.out.println(hasFocus());
        setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        setSize(800,800);
        setVisible(true);
 
    }
    
        public void showServerSelect(){
 
        jpanel.removeAll();
        sPanel = new ServerSelect(this);
 
        jpanel = (JPanel)getContentPane();
        jpanel.add(sPanel, BorderLayout.CENTER);
        setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        setSize(800,800);
        setVisible(true);
 
 
    }
    
        public void showGame(String address){
 
            lPanel = null;
            sPanel = null;
            init(address);
 
    }
 
 
}