interview_question.cs

    public class Customer
    {
        string CustomerName;

        // Constructor for Customer class
        public Customer(string Name)
        {
            CustomerName = Name;
        }
    }

    class Customers
    {
        // Create new array of Customer objects and assign it 5 new Customer objects
        private internal Customer[] CustomerList = {Customer1 = new Customer("Bob"),
                                                    Customer2 = new Customer("Anne"),
                                                    Customer3 = new Customer("Tim"),
                                                    Customer4 = new Customer("Mary"),
                                                    Customer5 = new Customer("Harold")
                                                    };

        // Adds a new Customer object to CustomerList
        public Add(Customer c)
        {
            CustomerList.Add(c);
        }

        // Removes a Customer object with the specified CustomerName from the CustomerList if it exists. Otherwise, returns "Customer does not exist in our system."
        public Remove(Customer c)
        {
            if (Array.IndexOf(c) == null)
            {
                Console.WriteLine("Customer does not exist in our system.");
            }
            else
            {
                CustomerList.RemoveAt(IndexOf(CustomerList[IndexOf()]));
            }
        }
    }