Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point can be saved directly, or they might be calculated, it doesn't subject for the caller; the setters may or may not have Unwanted side effects; it isn't going to subject for the caller. Notice: https://propertyingurugram.in/omaxe-to-develop-sports-and-retail-complex-in-dwarka-for-rs-2100-crore/