Answered: Instructions: 1. This java program is…

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

Instructions: 1. This java program is for an application that stores the author (Writer) data of some books and emails. 2. getAuthors() method get the list of authors and store it in a String array. 3. addAuthors() method is used to add an author anytime for book or email. 4. getDate() method get the date of the book or email. 5. getTitle() method can be used to get the title of the book. 6. getSubject() method is used to get the Subject of the email. 7. getTo() method is used to get the information about the mail to whom it is sent. 8. All get methods need to return the values in the corresponding instance variables. 9. Scanner class can be used to set the data for the variables. The programmer can give his/her own methods to set the instance variables

Write a Java program for the following Class Diagram.
Document
|-authors : String[ ]
-date : Date
+getAuthors() : String[]
+addAuthor(name) : void
+getDate() : date
Book
EMail
-title : String
-subject : String
-to : String[ ]
+getTitle() : String
+getSubject() : String
+getTo() : String[

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