双击图标时关闭JFrame

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

public class MyFrame extends JFrame {
    public MyFrame() {
        setTitle("My Frame");
        setSize(400, 300);
        
        addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                if (e.getClickCount() == 2) {
                    dispose();
                }
            }
        });
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            MyFrame frame = new MyFrame();
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setVisible(true);
        });
    }
}