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.
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.
Chapter3: Data Representation
Section: Chapter Questions
Problem 3RP
Related questions
Question
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 }
36](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f19521b-984a-46ea-87dd-80ca1e198282%2Fd352f97d-476f-45c2-b85c-dd28c7aa81f0%2Ftkpfwkj_processed.png&w=3840&q=75)
Transcribed Image Text: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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