120 - プログラム倉庫

import java.awt.*;
import java.awt.event.*;
class pro0120 extends Frame {

   public static void main(String [] args) { 
       Frame f=new pro0120(); 
       f.setTitle("[[pro]]0120"); 
       f.setSize(700,700); 
       f.setBackground(Color.yellow); 
       f.setVisible(true); 
   } 

pro0120(){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 y1,y2,z1,z2;
double x1,x2;
int n;
for (n=1;n<101;n++){
x1=0.01*n*Math.PI;
x2=0.01*(n+1)*Math.PI;
z1=(int)(500*x1);
z2=(int)(500*x2);
y1=500-(int)(500*(Math.sin(x1)));
y2=500-(int)(500*(Math.sin(x2)));
g.drawLine(z1,y1,z2,y2);
}

}
}