pro0621 - プログラム倉庫

import java.awt.*;
import java.awt.event.*;
class pro0621 extends Frame {

   public static void main(String [] args) { 
       Frame f=new pro0621(); 
       f.setTitle("[[pro]]0621"); 
       f.setSize(300,300); 
       f.setVisible(true); 
   } 

pro0621(){addWindowListener(new stopwin());}
class stopwin extends WindowAdapter{

   public void windowClosing(WindowEvent we){System.exit(0);} 
   } 

public void paint(Graphics g){
g.setColor(Color.blue);
g.drawRect(10,10,150,150);

 } 

}