Of this abstraction. The values for getRadius() or getCircumference() in the above mentioned example could possibly be saved immediately, or they may be calculated, it would not make any difference for the caller; the setters might or won't have side effects; it would not issue for the caller. Stressing in https://maxestatesgurgaon.family.blog/2025/05/12/smart-world-the-edition-sector-66-gurgaon-a-new-era-of-luxury-urban-living/