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In the revised version of the library system with Book and Periodical, Question 16 options: a) Book is a subclass of Periodical b) Periodical is a subclass of Book c) Book and Periodical are subclasses of LoanableItem d) Book and Periodical implement LoanableItem

Respuesta :

Answer:

c. Book and Periodical are subclasses of LoanableItem

Explanation:

Books are kept in library in a periodical manner. Both classes are not superior, they are subclasses of LoanableItem. Library uses common guide which makes it easy to find a book.

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