Of this abstraction. The values for getRadius() or getCircumference() in the above case in point could be saved instantly, or they could be calculated, it won't subject for the caller; the setters could possibly or might not have Unintended effects; it isn't going to subject to your caller. 2 @KellyThomas https://lowriseflatsingurgaon.blogspot.com/2025/07/smart-world-edition-gurgaon-emerges-as.html