The flag of Libya is a simple green rectangle.
Try the program as it is given, then change it so that the green rectangle is wider.
The flag of France is blue, white and red.
The code given draws only one of the three rectangles required, and it is in the wrong place.
The flag of Germany is black, red and yellow.
Only one of the three rectangles has been drawn - and that one is in the wrong place.
Use DrawableEllipse, this takes six parameters: