Behavioral Design Patterns in C++ - Undo - V

The video tutorial explains the implementation of undo functionality using command classes and a stack. It highlights the importance of storing command copies to maintain state integrity and introduces the command undo class. The tutorial concludes with a challenge to implement redo functionality.

How does the stack manage the command objects?

What message is printed when there is nothing to undo?

What challenges might arise when implementing the redo functionality?