Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example can be stored straight, or they could be calculated, it won't make a difference into the caller; the setters could or might not have Unwanted side effects; it would not issue to the caller. I realize https://retailspacegurgaon.sport.blog/2025/07/08/smart-world-the-edition-gurgaon-combines-peaceful-living-with-city-connectivity/