C# Exercises 10

1. Use your class library from assignment7 - PersonLibrary (https://www.it2051229.com/csexercises9.html)

2. We have been asked to add the ability for certain employees to enroll in benefits

3. Both Managers and FullTimeEmployees should be able to Enroll.

• Notice that Manager and FullTimeEmployee have different base classes
• If we were to add the enrollment methods to the base class for FullTimeEmployee we would end up giving the functionality to PartTimeEmployee as well.
• How can we fix this problem?
• Using an Interface!

4. Create an interface IEnrollBenefits that defines the following methods

• string Enroll();
• string UnEnroll();

5. Implement the IEnrollBenefits interface in both the Full TimeEmployee and Manager class

• For implementation you can simply return a string "Enrolling in benefits" or "Unenrolling in benefits"

6. In the base person class implement the IComparable Interface

• Provide functionality to allow a collection of person to be sorted by last name

7. Add a UI layer of your choice

8. Create a List< Person > with at least 5 people

9. Display the List< Person >

10. Use the Sort() method to sort by last name

11. Create a method that takes an IEnrollBenefits as a parameter and displays the string from the Enroll() method

• Notice that we can pass either a Manager or a FullTimeEmployee as a paramerter to this method because they both implement IEnrollBenefits.