For C++, but the concepts go beyond this language — The example Let’s say you have two classes, each of them with their separate modules and a main file, which means five files: A.h, A.cpp, B.h, B.cpp, main.cpp Your B.h file contains a very simple class definition: class B
{
public:
B():val(1) {}
private:
int val;
}; Your A.h is also quite…