10例子20.txt

这是一本java基础教程 对新手上路有很大帮助

import java.awt.*; 
import java.awt.event.*;
import javax.swing.*;
public class Example10_20{
    public static void main(String args[]){
        MyWindow win=new MyWindow();
    }
}
class MyWindow extends JFrame{
    MyWindow(){
        addWindowListener(new WindowAdapter(){       //匿名类对象作为监视器
                                public void windowClosing(WindowEvent e){
                                   System.exit(0);
                                }
                         });
      setBounds(100,100,150,150);
      setVisible(true);
      setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    }
}