Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned instance could possibly be stored directly, or they could be calculated, it isn't going to make a difference into the caller; the setters could possibly or may not have Unintended effects; it doesn't issue into the caller. https://propertyingurugram.in/smartworld-developers-awards-rs-532-cr-contract-to-varindera-constructions/