Question

Queue<Integer> qu = new LinkedList<>();  qu.add(1);  qu.add(2);  qu.add(3);  qu.poll();  qu.poll();   System.out.println("The Queue size is : "+qu.size()); What is output of code?
a. The Queue size is: 3
b.   The Queue size is: 0
c.The Queue size is: 1
d.The Queue size is: 5

Answer 1

c. The Queue size is: 1