Solve the following :

Answer the following questions (total 20 marks): I. (I mark) What are the words printed by the following code? lashsetcstring> h new HashSet queue - new PriorityoueuecInteger> (Arrays.astist (9,1,8,3,4,2 while (1queue. isEmpty)) ( System.out.print (queue.pol10+ 4. (1 mark) What are the words printed by the following code? LinkedHashSet) al add ( Red")2 al.add ("Red") al. add ( Blue") 2 al.add("Blue) Iteratorcstring itreal.iterator) while (itr.hasNext ) System.out.printInlitr.next )) s. (I mark) What are the essential components of a recursive method? 6. (1 mark) Is this code correct and why? Arraylist list new int(1, 2, 3) 7. (1 mark) What is the output of the following code? QueuecString> queue new LinkedListo queue. add ("Red") i queue-add "Green") ; queue. add ("Blue") System.out.printin("WaitingQueue:"+ queue) (1 mark) What is the output of the following code? Set setl new HashSet 0 8. set1.add ("Jan") set1.add ("Dec" set1.add ("Mar")