Java の全画面排他モードでキーボードとマウスのイベントを処理するにはどうすればよいですか?

import java.awt.Color;
import java.awt.DisplayMode;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferStrategy;
import javax.swing.JFrame;
import javax.swing.Timer;

public class Applet {

    Timer timer;
    JFrame frame;
    DisplayMode[] displayModes = new DisplayMode[] {
            new DisplayMode(1280, 800, 32, 60)
    };

    BufferStrategy bufferStrategy;
    Rectangle bounds;

    public void init() {
        GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsDevice device = env.getDefaultScreenDevice();

        setIgnoreRepaint(true);

        GraphicsConfiguration gc = device.getDefaultConfiguration();
        frame = new JFrame(gc);

        device.setFullScreenWindow(frame);

        if (device.isDisplayChangeSupported())
            device.setDisplayMode(displayModes[0]);

        frame.createBufferStrategy(2);
        bufferStrategy = frame.getBufferStrategy();

        timer = new Timer(1000 / 50, new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                Graphics2D g = null;
                try {
                    g = (Graphics2D) bufferStrategy.getDrawGraphics();
                    render(g);
                } finally {
                    g.dispose();
                }
                bufferStrategy.show();
            }

        });
    }

    private void render(Graphics2D g) {
        g.setColor(Color.BLACK);
        g.fillRect(0, 0, bounds.width, bounds.height);
    }

    public void start() {
        timer.start();
    }

    public void stop() {
        timer.stop();
    }
}

import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

class Applet extends Applet {

    @Override
    public void init() {
        super.init();
        this.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                // Handle mouse click event
            }
        });

        this.addKeyListener(new KeyAdapter() {

            @Override
            public void keyPressed(KeyEvent e) {
                // Handle key press event
            }
        });
    }
}