Whats std?why we writing #include <iosteram>

Question

hello world

Answer 1

std is a namespace that is used to tell the compiler where to look for an identifier. with #include <iostream> it's a library. This tells the compiler that in our project we want to use this library in our code and use the methods/objects built into it.

Answer 2

#include means we are giving command to the compiler to include the library which is specified in <>