Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point may be saved specifically, or they might be calculated, it would not matter to the caller; the setters could possibly or might not have Uncomfortable side effects; it will not issue into the caller. https://propertyingurugram.in/a-house-for-mr-moneybags-gurgaon-flat-sold-for-rs-100-crore/