why circular inheritance is not possible?

Answer 1

@Kirk: My post was meant to show that we don't need circular inheritance in the first place rather than pointing out problems that may arise when trying to implement it. Feel free to develop that second point.

Answer 2

If a A is a B, and a B is a A, then they are basically the same entity.

Answer 3

@Zen - wouldn't this also create a gc problem?

Answer 4

Ow! Yeah!!!!! Thank you a lot😃