What is the purpose of sprintf() function?

Can we compile a program without main() function?

What is a token?

What is C++?

What are the advantages of C++?

What is the difference between C and C++?

What is the difference between reference and pointer?

What is a class?

What are the various OOPs concepts in C++?

What are the different types of polymorphism in C++?

Define namespace in C++.