C++: overriding public\private inheritance

Question

If B inherits from A using public, can B override one of the functions and force it to be private?

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Answer 1

==> If B inherits from A using public, can B override one of the functions and force it to be private?

NO. Pointer/reference to A will always see my_func2 as public. You can still call this method using A* or A&. (what you ask is possible in Java).

==> if the inheritance type is private - can B force a specific function to be public?

At 1st place if the inheritance type is private/protected then you can NOT assign object of Derived class to Base class pointer/reference. e.g. you can not do following!!

A* p = new B; // error

==> What if A is pure abstract? does it make a difference?

NO difference (except you have to define methods in B)

==> Would protected make any difference in any combination?

NO difference (with respect to Base class)