Of this abstraction. The values for getRadius() or getCircumference() in the above case in point might be stored immediately, or they could be calculated, it won't make any difference to the caller; the setters may or won't have Unwanted side effects; it isn't going to issue on the caller. Key https://propertyingurugram.in/realty-developers-expecting-30-rise-in-real-estate-prices-this-year-survey/