Of the abstraction. The values for getRadius() or getCircumference() in the above instance may very well be saved directly, or they might be calculated, it won't make any difference to the caller; the setters may well or may not have side effects; it will not matter into the caller. @Jenix https://propertyingurugram.in/the-sohna-dausa-stretch-inauguration-to-boost-real-estate-in-gurugram/