test.java~1~

来自「《深入浅出设计模式》的完整源代码」· JAVA~1~ 代码 · 共 20 行

import javax.swing.*;
import java.awt.event.*;
class Test extends JFrame {

    public Test () {
        setSize(200,200);
        setVisible(true);
        addWindowListener(new Closer());
    }
    public static void main(String[] args) {
        new Test();
    }
    class Closer extends WindowAdapter {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    }
}