Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned illustration may very well be saved right, or they could be calculated, it will not make a difference to the caller; the setters may well or won't have Uncomfortable side effects; it doesn't issue to the caller. https://propertyingurugram.in/gurugram-luxury-housing-market-will-be-first-is-line-to-be-impacted-by-hike-in-citys-circle-rates/