Streams: Using Iostream Library

Applies To: C++Builder 1 or higher
Category: C++ Language

The standard iostream library is contained in the std namespace. This means that to use an iostream function such as cout, you must specify the namespace qualifier: std::cout <<< "This is a test";

 

But instead of inserting this code for each individual function, you can add the entire iostream library with the using keyword:

 

using namespace std;

 

Finally, you have to include the <iostream> header file. It is important to note that the standard iostream library uses headers without the .H

extension:

 

#include <iostream>

C++Builder Developer's Network
Copyright © Yoto Yotov