Of this abstraction. The values for getRadius() or getCircumference() in the above example may be saved straight, or they may be calculated, it will not subject on the caller; the setters may well or won't have side effects; it would not subject to your caller. As it is possible to https://propertyingurugram.in/the-evolution-of-gurgaons-real-estate-how-dwarka-expressway-is-leading-the-way/