Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point could possibly be saved instantly, or they could be calculated, it would not make a difference to the caller; the setters may or won't have side effects; it would not subject for the caller. https://propertyingurugram.in/why-aipl-lake-city-sector-103-gurgaon-is-ideal-for-urban-families/