An important change is the fact interfaces can have properties but not fields. This, to me, underlines that properties must be used to determine a class's community interface though fields are meant to be used in the private, interior workings of a class. Like a rule I not often develop https://mvnsector37d.in/why-mvn-mall-gurgaon-is-the-next-big-commercial-landmark-in-sector-37d/