Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned example could be stored directly, or they may be calculated, it won't issue on the caller; the setters may or may not have Uncomfortable side effects; it won't issue into the caller. You can find in truth https://primesector65gurgaon.blogspot.com/2025/06/soaring-sophistication-at-m3m-altitude.html