Of this abstraction. The values for getRadius() or getCircumference() in the above example may very well be stored directly, or they may be calculated, it does not issue to the caller; the setters might or may not have Unintended effects; it isn't going to make any difference on the caller. https://whitelandsector103gurgaon.business.blog/2025/07/08/smart-world-one-dxp-sector-113-gurgaon-leads-the-future-of-intelligent-living/