Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example could be saved right, or they might be calculated, it doesn't make any difference towards the caller; the setters may well or may not have Negative effects; it won't subject towards the caller. Even so, this https://newgodrejprojectsnoida.blogspot.com/2025/06/crafted-for-visionaries-smart-world.html