Question 19: Consider the code given below. Which of the following op…

1class Library {
2    private boolean isBookAvailable = true;
3    public synchronized void borrowBook(String readerName) {
4        if (isBookAvailable) {
5            System.out.println(readerName + " borrowed the book.");
6            isBookAvailable = false;
7        } else {
8            System.out.println(readerName + " could not borrow the book.");
9        }
10    }
11}
12class Reader implements Runnable {
13    private Library library;
14    private String readerName;
15    public Reader(Library lib, String rn) {
16        this.library = lib;
17        this.readerName = rn;
18    }
19    public void run() {
20        library.borrowBook(readerName);
21    }
22}
23public class Test {
24    public static void main(String[] args) {
25        Library library = new Library();
26        Thread reader1 = new Thread(new Reader(library, "Rahul"));
27        Thread reader2 = new Thread(new Reader(library, "Ram"));
28        Thread reader3 = new Thread(new Reader(library, "Raghu"));
29        reader1.start();
30        reader2.start();
31        reader3.start();
32    }
33}