Behavioral Design Patterns in C++ - Basic Implementation-Visitor

The video tutorial explains the visitor design pattern, starting with the creation of base and concrete elements. It demonstrates how to access operations without the visitor pattern and then introduces the visitor pattern to add new operations without modifying existing classes. The tutorial includes implementing the accept method and creating concrete visitors to operate on object structures. It concludes with a class diagram to illustrate the relationships between classes.

How does the visitor pattern help in identifying the type of the element being visited?

What are the implications of not modifying existing classes when adding new operations?

Summarize the relationship between the visitor and element classes in the visitor design pattern.