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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

#include<iostream>

using namespace std;

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

Output

Hello World!

Conclusion

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.



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