Of this abstraction. The values for getRadius() or getCircumference() in the above example could possibly be saved directly, or they might be calculated, it would not make any difference into the caller; the setters may or may not have Unwanted effects; it would not make a difference on the caller. https://maxestatesgurgaon.business.blog/2025/07/07/strategic-growth-begins-with-m3m-industrial-plots-sector-9-manesar/