Design and implement an abstract class called LibraryMaterial -fields: author, title, price, publication year -constructor should have 4 parameters -methods: multiple getxxxx and setxxxx ; displayInfo
Design and implement two subclasses that define various types of library materials: class Book - fields: type (hardcover/paperback/large print); edition (1st, 2nd, …); number of pages. - default constructor - non-default constructor (use super reference) - methods: get/set methods, displayInfo
class AudiovisualMaterial - fields: type (audio tape, CD, DVD), cover image (not a string that represents file name!), short sound clip (up to 10 sec., not necessarily a fragment of the material) - default constructor - non-default constructor (use super reference) - methods: get/set methods, displayInfo, displayCover, playSoundClip
Create a UML class diagram (Violet or Visio file)
Create a Librarian class that should:
instantiate three books using default constructor, then populate the instances;
instantiate and populate a CD and a DVD using non-default constructor;
insert a set of music on cassette into your structure at the third position;
display all the information about all the accumulated library materials.
Use a polymorphic approach.
Use enhanced for loop for traversing.
Create a user-friendly, appealing user interface.
When designing the algorithm and choosing data structures, be sure to make it convenient for adding the materials.
You can “hardcode” the data using the following entries found on amazon.com:
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