仿金山打字通游戏 Java代码

package com.mxs.util;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class ZiMu extends JFrame {
    ZiMu() {
        this.setSize(300, 600);
        this.setResizable(false);
        this.setTitle("打字游戏");
        this.setBackground(Color.BLACK);

        MyPanel mp = new MyPanel();
        this.add(mp);
        this.addKeyListener(mp);

        Thread t = new Thread(mp);
        t.start();
    }

    public static void main(String args[]) {
        ZiMu w = new ZiMu();
        w.setVisible(true);

    }
}

class MyPanel extends JPanel implements Runnable, KeyListener {
    int x[] = new int[10];
    int y[] = new int[10];
    int sum = 0;
    String z[] = new String[10];

    MyPanel() {
        for (int i = 0; i < 10; i++) {
            x[i] = (int) (Math.random() * 300);
            y[i] = (int) (Math.random() * 300);
            z[i] = new String("" + (char) (Math.random() * 25 + 65));
        }
    }

    public void paint(Graphics g) {
        super.paint(g);

        this.setBackground(Color.black);
        g.setColor(Color.WHITE);
        g.drawString("一分钟正确打对的字母： " + sum, 10, 560);
        for (int i = 0; i < 10; i++) {
            g.drawString(z[i], x[i], y[i]);
        }
    }

    public void run() {
        long g = System.currentTimeMillis();

        while (System.currentTimeMillis() - g <= 60000) {


            for (int i = 0; i < 10; i++) {
                y[i]++;
                if (y[i] >= 600) {
                    sum -= 1;
                    y[i] = (int) (Math.random() * 50);
                    x[i] = (int) (Math.random() * 280);
                    z[i] = new String("" + (char) (Math.random() * 25 + 65));
                }
            }
            try {
                Thread.sleep(20);
            } catch (Exception e) {
            }
            this.repaint();
        }

    }

    public void keyTyped(KeyEvent e) {
        // TODO: Add your code here
    }

    public void keyPressed(KeyEvent e) {
        String keychar = new String("" + e.getKeyChar());
        int yy = 0;
        int j = -1;

        for (int i = 0; i < 10; i++) {
            if (keychar.equals(z[i])) {
                if (yy < y[i]) {
                    yy = y[i];
                    j = i;
                }
            }
        }
        if (j != -1) {
            z[j] = new String("" + (char) (Math.random() * 25 + 65));
            y[j] = 0;

            sum += 1;

        } else {
            sum -= 1;
        }
    }

    public void keyReleased(KeyEvent e) {
        // TODO: Add your code here
    }
}