This section illustrates you how to add area of two specified figures in Graphics.
In the given example, the classes Rectangle2D and Ellipse2D
are provided by the package java.awt.geom.*. These classes provides the
shape rectangle and oval respectively. Object of class Area is
created to pass the object of class Shape into its constructor. Set the
size of rectangle with rect.setFrame(150, 150, 150, 100) and size
of oval with oval.setFrame(100, 100, 150,