private void paintScreen(){
        Graphics g;
        try{
            g = this.getGraphics();
            if(dbImage != null && g != null){
                g.drawImage(dbImage, 0, 0, null);
            }
            Toolkit.getDefaultToolkit().sync(); //For some operating systems
            g.dispose();
        }catch(Exception e){
            System.err.println(e);
        }
    }