Question

Polymorphism
Identify commonalities and differences between Publication, Book and Magazine classes.
Title, Price, Copies are common instance variables and saleCopy is common method. The
differences are, Bookclass has author and order Copies(). Magazine Class has methods
orderQty, Currentissue, receiveissue().Write a program to find how many copies of the given
books are ordered and display total sale of publication.​

Answer 1

Answer:

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Answer 2

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