Java GUI之FlowLayout.CENTER

Java GUI之FlowLayout.CENTER

1. package com.sinosuperman.driver;
3. import java.awt.Dimension;
4. import java.awt.FlowLayout;
5. import java.awt.Toolkit;
7. import javax.swing.JButton;
8. import javax.swing.JFrame;
9. import javax.swing.WindowConstants;
11. public class MainBench {
12. public static void main(String[] args) {
13. MyFrame frame = new MyFrame();
14. frame.setVisible(true);
15. }
16. }
18. class MyFrame extends JFrame {
19. private static final long serialVersionUID = 1L;
20. private JButton okButton, exitButton;
21. Toolkit tk = Toolkit.getDefaultToolkit();
22. Dimension d = tk.getScreenSize();
23. public MyFrame() {
24. this.setLayout(new FlowLayout(FlowLayout.CENTER));
25. this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
26. this.setSize((int) d.getWidth() / 2, (int) d.getHeight() / 2);
27. this.setLocation((int) (d.getWidth() - this.getWidth()) / 2, (int) (d.getHeight() - this.getHeight()) / 2);
28. okButton = new JButton();
29. exitButton = new JButton();
30. okButton.setText("OK");
31. exitButton.setText("Exit");
32. this.add(okButton);
33. this.add(exitButton);
34. }
35. }