Of this abstraction. The values for getRadius() or getCircumference() in the above case in point can be stored directly, or they may be calculated, it would not issue into the caller; the setters could possibly or won't have Unwanted side effects; it doesn't issue to your caller. I know This https://whitelandurbanresortgurgaon.wordpress.com/2025/07/08/smart-world-one-dxp-sector-113-gurgaon-leads-the-future-of-intelligent-living/