Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned instance could possibly be saved instantly, or they could be calculated, it doesn't matter into the caller; the setters may or won't have side effects; it would not issue into the caller. two @KellyThomas Just wanting to https://sites.google.com/view/whiteland-urban-resort-gurgaon/smart-world-one-dxp-sector-113