public class Application { private static final String TITLE = "Average Machine"; private static final int WIDTH = 320; private static final int HEIGHT = WIDTH / 16 * 9; private Application() { } private static void createWindow() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); return; } JPanel contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(null); JTextField field = new JTextField(); field.setHorizontalAlignment(SwingConstants.CENTER); field.setBounds(0, 22, 414, 20); contentPane.add(field); field.setColumns(10); JFrame frame = new JFrame(Application.TITLE); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setResizable(false); frame.setLocationRelativeTo(null); frame.setSize(WIDTH, HEIGHT); frame.setVisible(true); frame.add(contentPane); } public static void main(String[] args) { createWindow(); } }