1. Design and implement a class LibraryItem (abstract) (3 points) and the subclasses Book and DVD. The classes should hold information about the ISBN, the Title, the sector, the Publication Date, the Date/Time it has been borrowed and the current reader (in case the book has been borrowed), and include appropriate methods.In particular:The Book class should include appropriate methods and hold information about the authors (note that it could be also more than one author), the publisher and …
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