Search:

edit:

hmm.. never mind. I did some actual testing and I guess that in order to be Serializable, a class and all of it's super classes must be Serializable (except for Object, which can be written...

Interfaces get inherited, but they do not propagate upwards.

So, in this case A is not serializable, but B is.

If you were to declare A to implement Serializable, B would automatically inherit...