关闭桌面/本机窗口的Java代码？

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;

public class CloseWindowExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Close Window Example");
        frame.setSize(300, 200);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        frame.setVisible(true);
    }
}

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;

public class CloseWindowExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Close Window Example");
        frame.setSize(300, 200);
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                JFrame window = (JFrame) e.getWindow();
                window.dispose();
            }
        });
        frame.setVisible(true);
    }
}