Can anyone answer this question?

Question

Is ref (reference variable) a variable that stores the memory address?

Answer 1

Have a read
http://www.openbookproject.net/thinkcs/archive/cpp/english/chap16.htm

Answer 2

The reference variables, like arrays variables, instances of clases (objects)... are implemented by a name or reference (pointer) that contains the memory address of a value or set of values; when you use "new" keyword, you are gaining space in heap area to store a reference variable...