Of this abstraction. The values for getRadius() or getCircumference() in the above instance could be stored straight, or they could be calculated, it won't issue to the caller; the setters could or might not have Uncomfortable side effects; it won't subject towards the caller. Publicize your property on PropertyWala and https://propertyingurugram.in/circle-rates-go-up-pay-more-for-land-or-home-in-gurugram/