Is there a way to make a class recursive?

Question

So I would like to create a class that can have an object which type is itself. Something like this:

class foo {

    foo Avalue = foo();
    foo Bvalue = fo         


        

Answer 1

The problem with that is that the foo inside foo would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain a foo which would contain...