Consider the BookArrayBag from slide #6 in the lecture-03-jan-28.pptx. Write an instance method belonging to BookArrayBag that takes one integer input, called year, and returns as output the number of books published in that year. 8 public class BookArrayBagDriver {public static void main (String args []) {BookArrayBag myBag = new BookArrayBag(5);myBag.add(new Book("Database", 2011));myBag.add (new Book("Operating Systems", 1991));Book algorithms = new Book("Algorithms", 1991);myBag.add(algorithms);10111213141516System.out.println(myBag);System.out.println(myBag.size ());System.out.println(myBag.grab(2));1718192021System.out.println(myBag.find(new Book("Database", 0)));222324Book programming = new Book("programming", 0);if (myBag.find (programming)==null)myBag.add (programming);252627System.out.println(myBag);2829myBag.remove(new Book("algorithms",0));System.out.println(myBag.count0ccurances (algorithms));303132myBag.remove(new Book("Database",0));System.out.println(myBag.grab(0));}333435 }36

Answered: Consider the BookArrayBag from slide #6…

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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Consider the BookArrayBag from slide #6 in the lecture-03-jan-28.pptx. Write an instance method belonging to BookArrayBag that takes one integer input, called year, and returns as output the number of books published in that year.

8 public class BookArrayBagDriver {
public static void main (String args []) {
BookArrayBag myBag = new BookArrayBag(5);
myBag.add(new Book("Database", 2011));
myBag.add (new Book("Operating Systems", 1991));
Book algorithms = new Book("Algorithms", 1991);
myBag.add(algorithms);
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System.out.println(myBag);
System.out.println(myBag.size ());
System.out.println(myBag.grab(2));
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System.out.println(myBag.find(new Book("Database", 0)));
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Book programming = new Book("programming", 0);
if (myBag.find (programming)==null)
myBag.add (programming);
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System.out.println(myBag);
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myBag.remove(new Book("algorithms",0));
System.out.println(myBag.count0ccurances (algorithms));
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myBag.remove(new Book("Database",0));
System.out.println(myBag.grab(0));
}
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35 }
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