Chapter 11.6, Problem 11.20CP

Explanation of Solution

Overloading the postfix operator:

• The overloading postfix operator is same as prefix operator but it has a small difference when compare to the prefix operator. The difference is the postfix function use dummy parameter in the function header.
• When the complier sees this parameter in the operator function, it will understand that, it is designed to be used in postfix mode.

Example:

Consider the example of postfix “++” operator is as follows:

//Postfix ++ operator function

sample operator++ (int)

{

//declare the member variable

sample value;

//increment the value

value...