小编lub*_*off的帖子

我的游戏重启按钮不起作用，点击它时它会倍增。我不太了解 Java 我认为自己很好。

游戏主要内容

package snake_game;

public class snake {

  public static void main(String arg[]) {

    new GameFrame();
    // is exacly the same as frame f = new frame();
    // this is shorter and does the same job

  }
}

GamePanel

package snake_game;

// import java.awt.event.ActionEvent;
// import java.awt.event.ActionListener;
// import java.awt.Graphics;
// import java.awt.event.KeyAdapter;
// import java.awt.event.KeyEvent;
// or I could write simply 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Random;

import javax.swing.JPanel;

public class GamePanel extends JPanel implements …