Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point could possibly be stored instantly, or they could be calculated, it doesn't subject to the caller; the setters may well or may not have side effects; it won't make a difference towards the caller. https://propertyingurugram.in/realty-developer-eldeco-acquires-8-5-acres-land-for-rs-165-crore-in-gurgaons-sector-80/