DrawTurtleFlower3

import acm.graphics.*;
import acm.program.*;
 
public class DrawTurtleFlower3 extends GraphicsProgram {
 
    public void run() {
        FlowerTurtle turtle = new FlowerTurtle();
        add(turtle, getWidth() / 2, getHeight() / 2);
        turtle.penDown();
        turtle.drawFlower();
    }
 
    private static final long serialVersionUID = 1;
}
 
class FlowerTurtle extends GTurtle {
 
    public void drawFlower() {
        for (int i = 0; i < 36; i++) {
            drawSquare();
            left(10);
        }
    }
 
    private void drawSquare() {
        for (int i = 0; i < 4; i++) {
            forward(100);
            left(90);
        }
    }
}