You are modifying an existing application that manages employee payroll. The application includes a class
named PayrollProcessor. The PayrollProcessor class connects to a payroll database and processes batches of
paychecks once a week.
You need to ensure that the PayrollProcessor class supports iteration and releases database connections after
the batch processing completes.
Which two interfaces should you implement? (Each correct answer presents part of the complete solution.
Choose two.)
A.
IEquatable
B.
IEnumerable
C.
IDisposable
D.
IComparable
Explanation:
IEnumerable
IDisposable Interface
Exposes an enumerator, which supports a simple iteration over a non-generic collection.
Defines a method to release allocated resources.
The primary use of this interface is to release unmanaged resources.