What is the output of the following program:import java.util.*;public class linked_list { public static void main(String args[]) { LinkedList<String> ll = new LinkedList<String>(); ll.add("Mercedes"); ll.add("Audi"); ll.add("BMW"); Iterator i = ll.descendingIterator(); while (i.hasNext()) { System.out.println(i.next()); } }}Select one:a.BMWAudiMercedesb.AudiMercedesBMWc.MercedesBMWAudid.MercedesAudiBMW

import java.util.*;public class linked_list { public static void main(String args[]) { LinkedList<String> ll = new LinkedList<String>(); ll.add("Mercedes"); ll.add("Audi"); ll.add("BMW"); Iterator i = ll.descendingIterator(); while (i.hasNext()) { System.out.println(i.next()); } }}Select one:a.BMWAudiMercedesb.MercedesAudiBMWc.AudiMercedesBMWd.MercedesBMWAudi

What is the output of the following program:import java.util.*;public class linked_list_size { public static void main(String args[]) { LinkedList<String> ll = new LinkedList<String>(); ll.add("Cat"); ll.add("Dog"); ll.add("Rabbit"); System.out.println(ll.size()); }}Select one:a. 3b. 4c. nulld. 6

What is the output of the following code?import java.util.*;public class Main { public static void main(String[] args) { List list = new ArrayList<>(); list.add(1); list.add(2); list.add(3); Iterator iterator = list.iterator(); while (iterator.hasNext()) { Integer value = iterator.next(); if (value == 2) { iterator.remove(); } } System.out.println(list); }}a)[2, 3]b)[3, 2, 1]c)[1, 2, 3]d)[1, 3]

What is the output of the following code?import java.util.*;public class Main { public static void main(String[] args) { Queue queue = new LinkedList<>(); queue.add(1); queue.add(2); queue.add(3); System.out.println(queue.poll()); System.out.println(queue.poll()); System.out.println(queue.poll()); }}a)3 1 2b)3 2 1c)1 3 2d)1 2 3

What would be the output of the following code?import java.util.LinkedList;import java.util.Queue;import java.util.Stack;class Test { public static void main (String[] args) { Queue<Integer> q=new LinkedList<Integer>(); Stack<Integer> s=new Stack<Integer>(); q.add(5); q.add(10); s.push(10); s.push(20); System.out.print(q.peek()+s.pop()); }}