24일 차 마우스이벤트 편리하게 사용하는법

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JFrame;

class WKFrame extends JFrame {

private Adapter adapter = new Adapter();

public WKFrame() {

this.setSize(300, 200);

this.setTitle("Wooki Frame");

// this.addWindowListener((WindowListener) adapter);

// this.addWindowListener(new adapter());

this.addWindowListener(adapter);

this.setVisible(true);

}

class Adapter extends WindowAdapter {

public void windowClosing(WindowEvent e) {

System.exit(1);

}

}

}

public class MouseEvent2 {

public static void main(String[] args) {

new WKFrame();

}

}