Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point can be stored directly, or they may be calculated, it doesn't make a difference towards the caller; the setters could or won't have Uncomfortable side effects; it doesn't make a difference into the caller. https://propertyingurugram.in/dwarka-e-way-stretch-in-gurugram-may-open-in-december/