Of this abstraction. The values for getRadius() or getCircumference() in the above instance may very well be saved straight, or they may be calculated, it will not make any difference for the caller; the setters may well or won't have Unwanted effects; it will not matter for the caller. As https://propertyingurugram.in/realty-developers-smartworld-plans-rs-3000-cr-investment-in-luxury-residential-project-in-gurugram/