Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned example may very well be stored immediately, or they may be calculated, it does not make a difference towards the caller; the setters could or might not have Uncomfortable side effects; it doesn't issue for the caller. https://propertyingurugram.in/big-usd-billion-property-sale-redefines-real-estate-buying-experience-smartworld-developers-clocks-rs-1023-cr-sale/