A class which is called Book consists of: • Instance Variable bTitle (String): book title authors [] (String): names of authors bType (String): type of book p_year (int): year of publishing copy (int): count of available copy. • Methods laonBook(): loan a copy of book retBook(): retrieve the book. checkCopy(): check number of book. displaylnfo: display book information (book title, authors, copy). Main Class which is called Library that have a screen contains a selective options (1...6), to perfume below tasks: 1- Adding books (allows to add n books accounts). 2- Loan Book 3- Retrieve Book 4- Check Copy: check the copies of books. 5- Display book information in the library. 6- Exit. Notes: A. Loan a book requires check the book copy, in case no available copy the program must show a message. B. Displaying b0oks information in the library as per below example.: S. Book Title Java OOP Authors Ali Mohamed, Ahmed Ali Saad Mustafa Copies 20 1 Probability 100

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