mywindow.java

来自「这个是JAVA程序基础书上第六章处理异常源代码」· Java 代码 · 共 24 行

import java.awt.*;
import java.awt.event.*;
public class MyWindow{
	Frame f = new Frame();
	public static void main(String[] args){
		MyWindow mw = new MyWindow();
		//向事件源对象f注册一个事件监听类对象
		mw.f.addWindowListener(new MyWindowAction());
		mw.f.setSize(200, 100);
		mw.f.show();
	}
}
//事件监听类实现WindowListener接口，当然需要实现其中的所有方法
class MyWindowAction implements WindowListener{
	public void windowActivated(WindowEvent e){}
	public void windowClosed(WindowEvent e){}
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}
	public void windowDeactivated(WindowEvent e){}
	public void windowDeiconified(WindowEvent e){}
	public void windowIconified(WindowEvent e){}
	public void windowOpened(WindowEvent e){}
}