Draw letters a H F using java 2 graphics

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Java

import java.awt.*;
import java.awt.geom.*;
public class SimpleLetterC extends Frame{

   //Constructor
  public SimpleLetterC()
  {
    //Enables the closing of the window.
    addWindowListener(new MyFinishWindow());
  }


  public void paint(Graphics g)
  {

    Graphics2D g2d = (Graphics2D) g;

    //Use of antialiasing to have nicer lines.
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);

    //The lines should have a thickness of 3.0 instead of 1.0.
    BasicStroke bs = new BasicStroke(3.0f);
    g2d.setStroke(bs);


    //The control points for defining the letter.
    int xc1 =  50;
    int yc1 = 250;

    int xc2 = 250;
    int yc2 =  50;

    int xc3 =  50;
    int yc3 =  50;

    int xc4 =  250;
    int yc4 =  450;

    int xc5 =  50;
    int yc5 = 450;



    //Definition and drawing of the two curves that define the letter.
    QuadCurve2D.Double d1 = new QuadCurve2D.Double(xc1,yc1,xc3,yc3,xc2,yc2);
    g2d.draw(d1);

    QuadCurve2D.Double d2 = new QuadCurve2D.Double(xc1,yc1,xc5,yc5,xc4,yc4);
    g2d.draw(d2);


    //Draw the control points.
    drawSmallRect(xc1,yc1,g2d);
    drawSmallRect(xc11,yc11,g2d);
    drawSmallRect(xc2,yc2,g2d);
    drawSmallRect(xc3,yc3,g2d);
    drawSmallRect(xc4,yc4,g2d);
    drawSmallRect(xc5,yc5,g2d);

    //Label the control points.
    g2d.setFont(new Font("serif",Font.PLAIN,24));
    g2d.drawString("P11'",xc1-10,yc1-5);
    g2d.drawString("P2'",xc2+10,yc2+10);
    g2d.drawString("P3'",xc3-35,yc3+4);
    g2d.drawString("P4'",xc4+10,yc4+10);
    g2d.drawString("P5'",xc5+10,yc5+10);
  }


 /**
  * Draws a small square around the centre (x,y).
  *
  * @param x        x-coordinate of the centre
  * @param y        y-coordinate of the centre
  * @param g2d      Graphics2D object for drawing
  */
   public static void drawSmallRect(int x, int y, Graphics2D g2d)
  {
    Rectangle rect = new Rectangle(x-4,y-3,8,8);
    g2d.fill(rect);
  }
    public static void main(String[] args) {
         
  
    SimpleLetterC f = new SimpleLetterC();
    f.setTitle("The letter C");

    f.setSize(420,500);
    f.setVisible(true);
  
    }
    
}

What I have tried:

This code draws the shape of the letter C using Java 2D graphics, I need to draw the shape of A, H, F letters using same code but I do not know where can I change or modify in the code.. I tried my best to understand the role of control points and how they can change the shape of the letter
Please help