An important variance is interfaces might have properties although not fields. This, to me, underlines that properties need to be used to define a class's community interface though fields are supposed to be used in the private, inner workings of a class. For a rule I rarely generate community fields https://smartworlddeveloper.co.in/top-reasons-to-choose-smartworld-69-sector-69-gurgaon-for-your-dream-home/