Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point may very well be stored right, or they may be calculated, it isn't going to make a difference on the caller; the setters may or might not have Unwanted effects; it will not issue https://medium.com/@MaxEstatesGurgaon/strategic-growth-begins-with-m3m-industrial-plots-sector-9-manesar-95ea00e42632