jav program circles in rectangles

This is main class

package graphs;
import javax.swing.*;
public class Graphs {

   
    public static void main(String[] args) {
       String title="ALLAH IS ONE";
      
       JFrame f= new JFrame();
       f.setSize(300,390);
       f.setTitle(title);
       paints P= new paints();
       f.add(P);
       f.setVisible(true);
      f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    }
   
}

After writing main class create a new class of paints

 
package graphs;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;

public class paints extends JComponent {
      public void paint(Graphics g)
    {
       
        Graphics2D g2 = (Graphics2D) g;
        g2.drawString("An intelligent face", 10, 10);
       int i=1,j=1,k=1,l=1;
       for(int h=0;h<20;h++){
    Rectangle R= new Rectangle(i,j,k,l);
    g2.draw(R);
   
       Ellipse2D.Double E=new Ellipse2D.Double(i,j,k,l);
       g2.draw(E);
      
   
    i+=11;j+=9;k+=11;l+=9;
       }


}
}

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Output is