Java GUI之創建一個只有兩個按鈕的框架

Java GUI之創建一個只有兩個按鈕的框架：

1. package com.sinosuperman.driver;
3. import java.awt.Dimension;
4. import java.awt.Toolkit;
6. import javax.swing.JButton;
7. import javax.swing.JFrame;
8. import javax.swing.JPanel;
9. import javax.swing.WindowConstants;
11. public class MainBench {
12. public static void main(String[] args) {
14. JFrame frame = new TwoButtonFrame();
15. JPanel panel = new TwoButtonPanel();
17. frame.add(panel);
18. frame.setVisible(true);
19. }
20. }
22. class TwoButtonPanel extends JPanel {
24. private static final long serialVersionUID = 1L;
26. private JButton okButton;
27. private JButton exitButton;
29. public TwoButtonPanel() {
31. okButton = new JButton("OK");
32. exitButton = new JButton("Exit");
34. this.add(okButton);
35. this.add(exitButton);
36. }
37. }
39. class TwoButtonFrame extends JFrame {
41. private static final long serialVersionUID = 1L;
43. Toolkit tk = Toolkit.getDefaultToolkit();
44. Dimension d = tk.getScreenSize();
46. JPanel panel;
48. public TwoButtonFrame() {
50. panel = new TwoButtonPanel();
52. this.setSize((int) d.getWidth() / 2, (int) d.getHeight() / 2);
53. this.setLocation((int) (d.getWidth() - getWidth()) / 2, (int) (d.getHeight() - getHeight()) / 2);
55. this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
56. this.setResizable(false);
58. this.add(panel);
59. }
60. }