Let's consider an example of implementing a stack ... The class definition itself can be placed in a header (.h) file, just like a struct definition. Let's now write some member functions. These go ...

The first new C++ features in the code are the namespace and using keywords. They aren’t specific to classes so let me defer explaining them for a few paragraphs. The next three lines declare ...

He includes an explanation of how a stack data structure works. To use, compile "main.cpp" and "Stack.hpp," then run. Choose menu item #4 for a demonstration.