//HELP.CPP demonstrates comments.
#include <iostream.h>
int main()
{
/* this is a comment
and it extends until the closing
star-slash comment mark */
cout << "Hello World!\n";
// this comment ends at the end of the line
cout << "That comment ended!\n";
// double slash comments can be alone on a line
/* as can slash-star comments */
return 0;
}