include
// main() is where program ***** begins.
int main ()
{
cout <<"Hello World";// prints Hello World
return 0;
}
The various parts of the above program:
- headers, which contain information that is either necessary or useful to program. For this program, the header is needed.
- The next line // main() is where the program ***** begins. It is a single-line comment available in C++. Singleline comments begin with // and stop at the end of the line.
- The line int main() is the main function where the program ***** begins.
- The pair of {} indicates the body of the main function.
- The next line cout>> “This is my first C++ program.”; causes the message “This is my first C++ program” to be displayed on the screen.
- The next line return 0; terminates main( )function and causes it to return the value 0 to ‘ the calling process.
