Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned instance might be stored straight, or they may be calculated, it doesn't issue into the caller; the setters may well or won't have Unintended effects; it isn't going to make any difference into the caller. " -- https://propertyingurugram.in/why-aipl-lake-city-sector-103-gurgaon-is-ideal-for-urban-families/