(DVD Store programming example)
a. Complete the design and implementation of the class customerType defined in the DVD Store programming example.
b. Design and implement the class customerListType to create and maintain a list of customers for the DVD store.
Extend the class linkedListType by adding the following function: void rotate();
//Function to remove the first node of a linked list and
//put it at the end of the linked list. Also write a program to test your function.
Use the class unorderedLinkedList to create a linked list.