Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned illustration might be saved straight, or they could be calculated, it doesn't matter into the caller; the setters could or might not have side effects; it would not issue towards the caller. Fields Use a "visibility" this https://commercialprojectsnewgurgaon.tech.blog/2025/07/08/m3m-altitude-sector-65-gurgaon-exceptional-residential-address/