An essential change is that interfaces may have properties although not fields. This, to me, underlines that properties should be used to outline a category's community interface though fields are meant to be used in the personal, inner workings of a class. To be a rule I hardly ever make https://smartworlddeveloper.co.in/top-reasons-to-choose-smartworld-69-sector-69-gurgaon-for-your-dream-home/