Of this abstraction. The values for getRadius() or getCircumference() in the above case in point could be stored instantly, or they could be calculated, it isn't going to matter for the caller; the setters may well or won't have side effects; it doesn't make any difference for the caller. Magicbricks https://propertyingurugram.in/new-gurugram-witnesses-53-increase-in-luxury-property-prices-rates-in-noidas-sector-150-up-by-43-y-o-y/