Questions And Answers

More Tutorials

C++ Hello World

In this section you will write you first C++ program which will print Hello World.

We will need to include the iostream library do we can use the cout<< function that prints to output.

main() function represents the entry point to the program, and all the code should exist in this function or another customized.

using namespace std means that we can use names for objects and variables from the standard library.

return 0 ends the main function.

C++ Hello World Example


using namespace std;

int main()
   cout<<"Hello World!";
   return 0;


Hello World!


In this page (written and validated by ) you learned about C++ Hello World . What's Next? If you are interested in completing Cpp tutorial, your next topic will be learning about: Cpp Comments.

Incorrect info or code snippet? We take very seriously the accuracy of the information provided on our website. We also make sure to test all snippets and examples provided for each section. If you find any incorrect information, please send us an email about the issue:

Share On:

Mockstacks was launched to help beginners learn programming languages; the site is optimized with no Ads as, Ads might slow down the performance. We also don't track any personal information; we also don't collect any kind of data unless the user provided us a corrected information. Almost all examples have been tested. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. By using, you agree to have read and accepted our terms of use, cookies and privacy policy.