Of this abstraction. The values for getRadius() or getCircumference() in the above case in point might be saved straight, or they may be calculated, it will not issue on the caller; the setters may or won't have Uncomfortable side effects; it does not make a difference on the caller. Explore https://builderfloorinbhiwadi.blogspot.com/2025/06/elevated-living-redefined-at-smart.html