Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned example can be saved directly, or they may be calculated, it would not make any difference to the caller; the setters may or may not have Unintended effects; it doesn't matter for the caller. Volume license versions: https://propertyingurugram.in/3000-acres-lying-vacant-dtcp-invites-fresh-bids-for-cheap-housing-projects/