Complete Modern C++ - Reference Versus Pointer

The video tutorial explains the differences between references and pointers in programming. It covers how to swap values using both methods, highlighting the limitations of pass by value and the benefits of pass by address. The tutorial also demonstrates how to handle null pointers and the advantages of using references, which simplify code and avoid null pointer issues. The video concludes with a brief mention of the constant qualifier, setting the stage for the next lesson.

How does the dereference operator work in the context of pointers?

What happens if a null pointer is passed to a function that expects a pointer?

Describe the advantages of using references over pointers in C.