Lecture
This lecture covers two additional concepts in C++: namespaces and main arguments. Namespaces provide a logical grouping of objects to avoid naming conflicts, while main() function is discussed in terms of its role as the entry point of a program. The lecture delves into the usage of namespaces, the scope of objects, and the importance of main() function in a program's execution environment. It also explains the significance of return values in main() and how arguments can be passed to main(). The lecture concludes with a detailed example of handling main arguments and processing them within a C++ program.