Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned example may be stored directly, or they might be calculated, it isn't going to issue for the caller; the setters could possibly or may not have Unintended effects; it doesn't subject to the caller. Google is integrating https://propertyingurugram.in/dlf-to-launch-properties-worth-rs-80000-crore-in-4-years-to-encash-surge-in-demand/