Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example can be saved directly, or they could be calculated, it won't issue into the caller; the setters could possibly or may not have Unintended effects; it isn't going to make a difference into the caller. and https://newlaunchcommercialprojectsnoida.blogspot.com/2025/06/crafted-for-visionaries-smart-world.html