Of this abstraction. The values for getRadius() or getCircumference() in the above illustration could be stored immediately, or they might be calculated, it would not matter for the caller; the setters could or won't have Unwanted side effects; it will not subject into the caller. There is certainly tiny question https://m3mgolfhillsinsector79gurgaon.blogspot.com/2025/05/step-into-world-of-refined-living-at.html