helloworld in c++

include

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

  1. The line "#include " includes the input/output stream library, which allows us to use the "cout" function to display output.

  2. The line "int main()" declares the main function, which is the entry point of the program.

  3. The opening curly bracket "{" signifies the start of the main function.

  4. The line "std::cout << "Hello, World!";" uses the "cout" function from the iostream library to display the text "Hello, World!".

  5. The line "return 0;" returns the value 0 to the operating system, indicating that the program executed successfully.

  6. The closing curly bracket "}" signifies the end of the main function.