g.setColor(Color.blue); // set the drawing colour to be blue
g.fillOval(0, 0, 40, 40); // draw a circle in the top left hand corner
g.drawString("The World is a circle", 0, 50);
// calculate the area and store it in area
// calculate the circumference and store it in circumference
// now print out the area and circumference details
// now increment the x co-ordinate by 15
// now increment the x co-ordinate by 15
// now increment diameter by 10