calling a member function of different class from another class

Question

I have two classes A and B. The control is inside one of the member functions of class A. The member function calculates a result and i now want to send this value to one of

Answer 1

After seeing your comment:

The compiler throws "No matching function call B::B()"

That means, there is no default constructor for class B. In your implementation, B`s constructor must be taking parameter.

So either you add a default constructor to your class, or you pass the argument to your constructor when creating an instance of it.