Of this abstraction. The values for getRadius() or getCircumference() in the above example can be saved directly, or they might be calculated, it won't make any difference into the caller; the setters may possibly or may not have side effects; it doesn't issue on the caller. Warehousing and logistics - https://toplistar.com/story22004583/the-greatest-guide-to-luxury-property-in-gurgaon