Two classes that refer to each other

Question

I\'m new to C++, so this question may be basic:

I have two classes that need to refer to each other. Each is in its own header file, and #include\'s the other\'s he

Answer 1

Forward declaration is the way to go.

If you are using pointers\reference in class header then Forward declaration at both sides would work for you.

If you are creating the object as a class member then you must include header itself. ( Forward declaration won't work as compiler needs class definition for knowing the size).

Refer C++ FAQ for solving such senario:

If you are creating the Window as member then include the Window header in App but at the same time Window shouldn't include the App's header. Use the combination of pointer to App and the forward declaration there.