Of the abstraction. The values for getRadius() or getCircumference() in the above case in point could possibly be saved instantly, or they might be calculated, it will not make any difference towards the caller; the setters could possibly or may not have Negative effects; it doesn't matter into the caller. https://propertyingurugram.in/dlf-expects-growth-cycle-in-residential-markets-to-continue-in-the-long-run/