Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example may very well be saved straight, or they may be calculated, it won't make any difference to the caller; the setters could possibly or might not have side effects; it does not subject to the caller. https://maxestatesgurgaon.fashion.blog/2025/07/08/m3m-iconic-business-tower-sector-113-gurgaon-redefines-the-corporate-landscape/