C++ Print Hello World

Introduction

In this tutorial, we will learn how to print "Hello, World!" in C++. "Hello, World!" is often the first program that beginners write when learning a new programming language. It is a good starting point for understanding basic syntax and structure in a language.

Prerequisites

Before we start, you should have a basic understanding of C++ programming concepts such as data types, variables, and functions.

Steps to Print Hello World in C++

1. Open a new C++ source file.

2. In the source file, include the iostream header file.

   #include <iostream>
   

3. Now, we are ready to print "Hello, World!" to the console. Add the following code inside the main() function:

   std::cout << "Hello, World!";
   

   This code uses the std::cout object to output the string "Hello, World!" to the console. The << operator is used to stream the string to the std::cout object.

4. Save the source file with a .cpp extension.

5. Compile the source file into an executable file. Depending on your development environment, you can compile the source code using a command-line interface or an integrated development environment (IDE).

6. Run the executable file to see the output. You should see "Hello, World!" printed to the console.

Full Code Example

#include <iostream>

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

Conclusion

Congratulations! You have successfully written a "Hello, World!" program in C++. This program is a simple example of how to use the std::cout object to output text to the console. As you continue learning C++, you will build on this foundation and learn more advanced concepts.