The use of a generic data type is preferred over using Object as a general class in a collection because:
A. It allows the data type to be determined later by the client of the class.
B. It can contain objects of type Ordered Pair.
C. It ensures that all the members of the collection are objects related by inheritance.

omg taking this same test i was stuck on the same question i was too lazy to read the book sadly i cant really give you an answer to this question too complex the answer will be in chapter 5 of the cay

it is much more convenient for the consumer to order something online, rather than going to a store. it saves them time and money for them, especially if that item is not accessed easily.