14. Starting with Java 1.5 a programmer can specify the type of the internal array that the system will use in, say, an ArrayList. Show how to create an ArrayList that has elements of type "Customer". Assume that you have previously created the Customer class. In particular show how to 1) create a reference variable for the ArrayList, 2) create the ArrayList object, 3) add a Customer object to the ArrayList, and 4) retrieve that Customer object from the ArrayList