Quiz 1

CS18

20 pts., Feb. 21

1. What is a reference variable?

   A variable which is an alias for another variable. A reference variable has no memory allocated. Many confused this with reference parameter, which is a horse of a different color.

2. What ``operator'' is used to denote that a formal parameter is a reference parameter?

   &

3. What is a pointer variable?

   A variable which is used to hold the address of another variable. More precisely, its rvalue is some other variable's lvalue.

4. What ``operator'' is used to denote that a variable is a pointer variable?

   *