Finding size of a Queue

 

import java.util.Iterator;

import java.util.PriorityQueue;

class PriorityQueueSize {

public static void main(String[] args) {

// creating our queue

PriorityQueue<Integer> pq = new PriorityQueue<>();

// offer is used to add elements in a queue

pq.offer(12);

pq.offer(13);

pq.offer(14);

pq.offer(15);

pq.offer(16);

pq.offer(17);

// printing size of Queue

System.out.println("Size of the queue is = " + pq.size());

}

}