Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned instance may be stored immediately, or they could be calculated, it won't make any difference on the caller; the setters might or might not have Uncomfortable side effects; it would not make any difference towards the caller. https://aipljoydistrict.wordpress.com/2025/06/01/unveiling-the-future-of-business-prestige-m3m-iconic-business-tower-sector-113-gurgaon/