4. First C++ program, cont.

• 
      #include <iostream>
      int main()
      { 
          std::cout << "Hello, World!";
          return 0;
      } 
  
  

  Opening brace "{" indicates beginning of our main function. Closing brace "}" ends the function. The braces specify function body.

• Function body contains any programming code enclosed inside the braces.