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4. Start with the program of Exercise 1 in this chapter, and add a member function of type
bool called isOversize() to the book and tape classes. Let’s say that a book with more
than 800 pages, or a tape with a playing time longer than 90 minutes (which would
require two cassettes), is considered oversize. You can access this function from main()
and display the string “Oversize” for oversize books and tapes when you display their
other data. If book and tape objects are to be accessed using pointers to them that are
stored in an array of type publication , what do you need to add to the publication
base class? Can you instantiate members of this base class?

#programming #objectorientedprogram #c ‪@MohamedYoussif-Learningway‬