Of the abstraction. The values for getRadius() or getCircumference() in the above instance can be saved right, or they might be calculated, it will not make a difference towards the caller; the setters might or might not have Unwanted side effects; it will not make any difference into the caller. https://propertyingurugram.in/emaar-india-to-invest-rs-900-crore-to-develop-luxury-housing-project-in-gurugram-ceo/