Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example could be saved specifically, or they could be calculated, it will not matter into the caller; the setters may well or may not have Uncomfortable side effects; it would not make a difference on the caller. https://urbanresortgurgaon.fashion.blog/2025/07/08/smart-world-one-dxp-sector-113-gurgaon-leads-the-future-of-intelligent-living/