經過 2 小時的搜索后，我真的不知道為什么我的代碼不起作用，所以我想知道您是否可以提供幫助。當我按下按鈕時，我只想看到“點擊”。我的班級MouseInput實現(xiàn)MouseListener了，在方法中mouseClicked我得到的只是system.out...("clicked");import java.awt.Color;import java.awt.Graphics;import java.awt.image.BufferStrategy;public class App implements Runnable {    private Display display;    private BufferStrategy bs;    private Graphics g;    private int cubeSide = 150;    private String title;    private int height,width;    private boolean running = false;    private Thread thread;    private MouseInput mouseInput;    public App(String title,int width,int height){        this.height=height;        this.width=width;        this.title=title;        display = new Display(title, width, height);    }    void setBufferStrategy(){        if(display.getCanvas().getBufferStrategy()==null){            display.getCanvas().createBufferStrategy(3);        }        bs = display.getCanvas().getBufferStrategy();    }    void init(){        setBufferStrategy();        mouseInput = new MouseInput();        display.getFrame().addMouseListener(mouseInput);    }    public synchronized void start(){        if(running==true)            return;        running=true;        thread = new Thread(this);        thread.start();    }    void render(){    }    @Override    public void run() {        init();        while(running){            render();        }    }    public synchronized void stop(){    }}鼠標輸入代碼：`import java.awt.event.MouseEvent;import java.awt.event.MouseListener;public class MouseInput implements MouseListener {@Overridepublic void mouseClicked(MouseEvent arg0) {    // TODO Auto-generated method stub    System.out.println("Click");}@Overridepublic void mouseEntered(MouseEvent arg0) {    // TODO Auto-generated method stub}@Overridepublic void mouseExited(MouseEvent arg0) {    // TODO Auto-generated method stub}@Overridepublic void mousePressed(MouseEvent arg0) {    // TODO Auto-generated method stub}