public class Application extends JFrame {

	private static final String TITLE = "Average Machine";
	private static final String vNum = " - v0.10";

	private static final int WIDTH = 320;
	private static final int HEIGHT = 120;

	private JPanel panel;
	private JTextField field, infoField;
	private JButton btnAdd, btnClear, btnAvg;
	private JLabel label;

	public Application() {
		initLayout();
		initComponents();
	}

	private void initLayout() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setResizable(false);
		setLocationRelativeTo(null);
		setSize(WIDTH, HEIGHT);
		setVisible(true);
	}

	private void initComponents() {
		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (Exception e) {
			e.printStackTrace();
			return;
		}

		Font font0 = new Font("Arial", Font.PLAIN, 11);
		Font font1 = new Font("Arial", Font.PLAIN, 11);

		panel = new JPanel();

		btnAdd = new JButton("Add");
		btnAvg = new JButton("Average");
		btnClear = new JButton("Clear");

		field = new JTextField();
		field.setHorizontalAlignment(SwingConstants.CENTER);
		field.setColumns(38);

		infoField = new JTextField();
		infoField.setHorizontalAlignment(SwingConstants.CENTER);
		infoField.setEditable(false);
		infoField.setText("Average Machine: Started");
		infoField.setColumns(38);

		label = new JLabel("All Rights Reserverd" + vNum);

		add(panel, BorderLayout.CENTER);
		panel.add(infoField);
		panel.add(field);
		panel.add(btnAdd);
		panel.add(btnAvg);
		panel.add(btnClear);
		panel.add(label);
	}

	public static void main(String[] args) {
		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				new Application();
			}
		});
	}

}