It Really is challenging for me to guess your intention. On 1 hand you're expressing that both a and b are general public (no foremost underscore inside their names) so I should really theoretically be permitted to access/mutate (get/set) both of those. But Then you definately specify an specific mutator https://aiplgurugram.co.in/aipl-lake-city-sector-103-gurgaon-a-haven-for-modern-families/