Can someone assist in with answering this question please? DataReader.java: A class that reads data from the sample data files. You will need to modify thisclass to create Book and Author objects, associate them and then return a filled Book[] array. Thisarray is used in the Catalogue class. You have to extract the Author data from the lines yourselfwhere the "/“ delimiter separates multiple author names. import java.io. File;import java.util. Scanner;public class DataReader {public Book[] readFile () {try (String path = "100books.txt";File dataFile = new File (path);Scanner fileReader = new Scanner (dataFile) ;String[] bookdetails = new String [5];String line;while (fileReader.hasNextLine ()) {line = fileReader.nextLine ():bookdetails = line.split (","):;System.out.println (bookdetails[0] +"," +bookdetails[1] +"," +bookdetails [2]+"," +bookdetails[3]+"," +bookdetails[4] ) :fileReader.close () ;}catch (Exception e) {System.out.println (e.toString ());return null;

Sample data: author = Author(name='Lisa Unger',age=45)>>> author.save()>>> genre =…

DataReader.java: A class that reads data from the sample data files. You will need to modify this class to create Book and Author objects, associate them and then return a filled Book[] array. This array is used in the Catalogue class. You have to extract the Author data from the lines yourself where the "/“ delimiter separates multiple author names.

DataReader.java: A class that reads data from the sample data files. You will need to modify this class to create Book and Author objects, associate them and then return a filled Book[] array. This array is used in the Catalogue class. You have to extract the Author data from the lines yourself where the "/“ delimiter separates multiple author names.

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?

DataReader.java: A class that reads data from the sample data files. You will need to modify this
class to create Book and Author objects, associate them and then return a filled Book[] array. This
array is used in the Catalogue class. You have to extract the Author data from the lines yourself
where the "/“ delimiter separates multiple author names.

import java.io. File;
import java.util. Scanner;
public class DataReader {
public Book[] readFile () {
try (
String path = "100books.txt";
File dataFile = new File (path);
Scanner fileReader = new Scanner (dataFile) ;
String[] bookdetails = new String [5];
String line;
while (fileReader.hasNextLine ()) {
line = fileReader.nextLine ():
bookdetails = line.split (","):;
System.out.println (bookdetails[0] +"," +bookdetails[1] +"," +bookdetails [2]+"," +bookdetails[3]+"," +bookdetails[4] ) :
fileReader.close () ;
}
catch (Exception e) {
System.out.println (e.toString ());
return null;

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