Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point could be saved directly, or they could be calculated, it isn't going to issue on the caller; the setters could or may not have Uncomfortable side effects; it doesn't matter towards the caller. Google https://propertyingurugram.in/experience-modern-living-with-spiti-palm-estate-sector-3-farukhnagar/