１１９ - プログラム倉庫

import java.awt.*;
import java.awt.event.*;
class pro0119 extends Frame {

   public static void main(String [] args) { 
       Frame f=new pro0119(); 
       f.setTitle("[[pro]]0119"); 
       f.setSize(700,700); 
       f.setBackground(Color.yellow); 
       f.setVisible(true); 
   } 

pro0119(){addWindowListener(new stopwin());}
class stopwin extends WindowAdapter{

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

public void paint(Graphics g){
g.setColor(Color.blue);
int x;

x=500-(int)(500*(Math.sin(Math.PI/4)));
g.drawLine(0,x,500,x);
}

}