I AM new...Its my first time...So where we put all this like #include <iostream>....and all.....In my computer.What is its use?

Question

Ans me.pls

Answer 1

it means you will use some functions and features defined in the file you're including, such as cin and cout

Answer 2

this is a header file placed at the top of program of C++ while working on any software like codeblock etc
It is input output header file. A necessity to use it.

Answer 3

but where

Answer 4

What is it use

Answer 5

at the very beginning of your code

Answer 6

so What can we do with it

Answer 7

is it use for creating Apps

Answer 8

it helps you with development by providing quite handy tools, thus you may use cout with concatenation including iostream instead of printf()