quitbyeventaction.java

来自「Java程序设计实验与实训源代码经典的JAVA学习教材」· Java 代码 · 共 25 行

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


class QuitByEventAction{
	public static void main(String[] args) {
		MyFrameTwo myFrame=new MyFrameTwo();
		myFrame.show();
	}
}

class MyFrameTwo extends JFrame{
	MyFrameTwo(){
		setSize(400,200);
		addWindowListener(new QuitWindow());
	}
}

class QuitWindow extends WindowAdapter{
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}
}