C Plus Plus iostream

The iostream (I/O Stream) in C++ is the stream that initializes the Input/Output functions of C++. To initialize iostream, an include must be called that includes iostream in C++ File. Without it, no program could perform any input or output!

Initializing I/O Stream
To start iostream, in the beginning of the C++ File, enter this line of code:
 * 1) include

What does it provide?
The include of iostream will allow the user to use simple commands like std::cout and std::cin..