Question 3 What is the output of the following code? ArrayQueue AQ=new ArrayQueue<> (); AQ.offer(15): AQ.offer(5): AQ.offer(4); AQ.offer(9); AQ.poll(); Iterator iter= AQ.iterator(); iter.next(): while(iter.hasNext()) int b = iter.next(): System.out.print(b); A 9 B 155 4 49 D 549

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