Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point could be saved specifically, or they might be calculated, it won't matter to your caller; the setters might or might not have Unintended effects; it doesn't make any difference to your caller. Traditional getters https://whitelandsector103gurgaon.fitness.blog/2025/05/12/m3m-altitude-prime-connectivity-and-unrivaled-luxury/