Can someone assist in with answering this question please? Catalogue classThe Catalogue class must have the following attribute and methods. You are allowed to includeadditional methods and attributes within the class as needed.AttributeТуреPurposeA private collection for storing Book objects. Youare free to instantiate this using an appropriate Javacollection subclassbookListCollectionMethod SignatureReturn TypePurposeCatalogue( Book [ ] books)Constructor. Accepts an array of Book objects anduses this to fill the bookList collectionReturns the book list sorted by book titlealphabetically (A-Z)getBookListByTitle( )CollectionReturns the book list sorted by rating (highest tolowest)getBookListByRating()CollectiongetBookListByAuthor( StringauthorName)Returns a list of books authored by a particularperson, sorted by book title alphabetically (A-Z)Collection Returns the book list sorted by number of pages(least to most)getBookListByLength()CollectionReturns the book list sorted by ISBN (ascendingorder)getBookListBylSBN()CollectionInvokes getBookListByTitle( ) and returns a string ofthe list of books using the string representation ofthe Book class where the title appears first.printBookListByTitle( )StringInvokes getBookListByRating() and returns a stringof the list of books from that method using thestring representation of the Book class where therating appears first.printBookListByRating()StringprintBookListByAuthor( StringauthorName)Invokes getBookListByAuthor( ) and returns a stringof the list of books using the string representationof the Book class where the title appears first.StringInvokes getBookListByLength( ) and returns a stringof the list of books using the string representationof the Book class where the number of pagesprintBookListByLength( )Stringappears first.Invokes getBookListBylSBN() and returns a stringof the list of books using the string representationof the Book class where the ISBN appears first.printBookListBylSBN( )String

Implement the above methods in Catalogue class. I have implemented sort methods, but I could not…

Answered: Catalogue class The Catalogue class…

Catalogue class The Catalogue class must have the following attribute and methods. You are allowed to include additional methods and attributes within the class as needed.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Can someone assist in with answering this question please?

Catalogue class
The Catalogue class must have the following attribute and methods. You are allowed to include
additional methods and attributes within the class as needed.
Attribute
Туре
Purpose
A private collection for storing Book objects. You
are free to instantiate this using an appropriate Java
collection subclass
bookList
Collection<Book>
Method Signature
Return Type
Purpose
Catalogue( Book [ ] books)
Constructor. Accepts an array of Book objects and
uses this to fill the bookList collection
Returns the book list sorted by book title
alphabetically (A-Z)
getBookListByTitle( )
Collection<Book>
Returns the book list sorted by rating (highest to
lowest)
getBookListByRating()
Collection<Book>
getBookListByAuthor( String
authorName)
Returns a list of books authored by a particular
person, sorted by book title alphabetically (A-Z)
Collection<Book>

Returns the book list sorted by number of pages
(least to most)
getBookListByLength()
Collection<Book>
Returns the book list sorted by ISBN (ascending
order)
getBookListBylSBN()
Collection<Book>
Invokes getBookListByTitle( ) and returns a string of
the list of books using the string representation of
the Book class where the title appears first.
printBookListByTitle( )
String
Invokes getBookListByRating() and returns a string
of the list of books from that method using the
string representation of the Book class where the
rating appears first.
printBookListByRating()
String
printBookListByAuthor( String
authorName)
Invokes getBookListByAuthor( ) and returns a string
of the list of books using the string representation
of the Book class where the title appears first.
String
Invokes getBookListByLength( ) and returns a string
of the list of books using the string representation
of the Book class where the number of pages
printBookListByLength( )
String
appears first.
Invokes getBookListBylSBN() and returns a string
of the list of books using the string representation
of the Book class where the ISBN appears first.
printBookListBylSBN( )
String

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