Ｊａｖａ０７０３ - プログラム倉庫

import java.awt.*;
import java.awt.event.*;

class java0703 extends Frame {
    
public static void main(String [] args) {
        Frame f=new java0703();
        f.setTitle("java0703");
        f.setSize(600,600);
        f.setBackground(Color.yellow);
        f.setVisible(true);
    }

java0703(){addWindowListener(new stopwin());}
class stopwin extends WindowAdapter{
    public void windowClosing(WindowEvent we){System.exit(0);}
    }

public void paint(Graphics g){
int x[] =new int[11];
int n;
g.setColor(Color.blue);    
for (n=1;n<11;n++){
x[n]=n*n;
}  
for (n=1;n<10;n++){
g.drawLine(10*n,x[n],10*(n+1),x[n+1]);
}  
}

}