Of this abstraction. The values for getRadius() or getCircumference() in the above example may be saved immediately, or they might be calculated, it won't make a difference on the caller; the setters might or might not have side effects; it does not make any difference on the caller. Previous Slide https://propertyingurugram.in/dlf-rental-arm-acquires-one-horizon-centre-building-in-gurugram-for-%e2%82%b9780-cr/