Of this abstraction. The values for getRadius() or getCircumference() in the above instance can be saved directly, or they could be calculated, it does not subject for the caller; the setters could possibly or won't have Unwanted side effects; it would not matter to the caller. Can not set EPPlus https://propertyingurugram.in/sohna-a-real-estate-gold-mine-near-gurugram/