It's difficult for me to guess your intention. On one hand you're expressing that both equally a and b are public (no main underscore of their names) so I should really theoretically be permitted to access/mutate (get/set) each. But then you specify an specific mutator only for a, which tells https://smartworlddeveloper.co.in/smart-world-69-sector-69-gurgaon-a-new-benchmark-in-urban-luxury-living/