ｐろ９８７ - プログラム倉庫

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

public static void main(String [] args) {

     Frame f=[[new]] pro(); 
     f.setTitle("pro"); 
     f.setSize(500,500); 
     f.setBackground(Color.yellow);         
     f.setVisible(true); 
 } 

pro(){
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.fillRect(100,100,200,300);
}
}