Of this abstraction. The values for getRadius() or getCircumference() in the above instance can be stored immediately, or they might be calculated, it would not matter for the caller; the setters may well or might not have Unwanted effects; it will not issue for the caller. @Jenix In that case, https://propertyingurugram.in/dwarka-expressway-transforming-gurgaon-ncrs-real-estate-landscape/