C++ Object Instantiation vs Assignment

Question

What is the difference between this:

TestClass t;

And this:

TestClass t = TestClass();

I expected that th

Answer 1

The latter one could call copy constructor and thus requires one to be public.

Edit: I certainly drew far too big conclusions from the type name you used. The sentence above only applies for class-types (i.e. not POD). For POD types, the former leaves the variable uninitialized, while the latter initializes it with so-called "default" value.