EXERCISE:

Keep your logbook up to date as you work through the exercises.

Consider the following Class Diagrams, answer the given questions below.

$\backslash$table$[[$Author$],[-$name:String$],[-$yearBorn:int$],[-$passYear:int$],[+$Author$($yBorn:int,n:String$)],[+$setPassYear$($year:int$)],[+$getName$()$:String$],[+$getAge$()$:int $//$return the age, passYear $-$yearBorn$]]$

$\backslash$table$[[$Book$],[\backslash$table$[[-$name:String$],[-$author:Author$],[-$publishedYear:Date$],[-$publisher:String$]]],[+$Book $($n:String, a:Author$)],[+$Book $($n:String, a:Author, p:String$)],[+$setPublisher$($p:String$)],[+$setPublishedYear$($d:Date$)],[+$getName$()$:String$],[+$getAuthorName$()$:String$],[+$getPublishedYear$()$:String$],[+$getPublisher$()$:String$]]$

Create the class hierarchy in Java.

Create a test harness class $($i$.$e$.$ application class$)$ named LibraryActivity.

Within LibraryActivity, create an author named $"$J$.$R$.$R$.$ Tolkien" who was born in $1892$ and died in $1973.$

Within Library Activity, create a book named "Fellowship of the Ring" that was published in $1954$ by "George Allen & Unwin" as the publisher.

Display the following in a JoptionPane.showMessageDialog: the name of the book, the author name, and the publication year by using the book object.