Of this abstraction. The values for getRadius() or getCircumference() in the above instance could be saved right, or they could be calculated, it will not matter to the caller; the setters might or won't have Uncomfortable side effects; it will not make any difference for the caller. Primary activities are https://propertyingurugram.in/realty-major-dlf-sells-properties-worth-rs-1400-crore-in-gurugram-panchkula/