JAVA0702 - プログラム倉庫

import java.awt.*;
import java.awt.event.*;
class java0702 extends Frame {

   public static void main(String [] args) { 
       Frame f=new java0702(); 
       f.setTitle("java0702"); 
       f.setSize(600,600); 
       f.setBackground(Color.yellow); 
       f.setVisible(true); 
   } 

java0702(){addWindowListener(new stopwin());}
class stopwin extends WindowAdapter{

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

public void paint(Graphics g){
g.setColor(Color.red);
g.fillRect(100,100,100,100);

 } 

}