点点点系列最少的程序架构

import java.awt.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.JPanel;
public class Main extends JPanel {
static Point p = null;
public static Frame frame = new Frame();
public static void main(String[] args) {
Main f = new Main();
frame.setTitle("【点点点】");
frame.add(f);
frame.setSize(500, 500);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
p = new Point(e.getX(), e.getY());
frame.repaint();
}
});
frame.setVisible(true);
}
public void paint(Graphics g) {
g.drawString(p.getX() + " " + p.getY(),(int)p.getY(),(int)p.getY());
}
}