Converting a Queue to an Array

 

import java.util.Iterator;

import java.util.PriorityQueue;

class PriorityQueueToArray {

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);

// creating an Array of Object type

Object[] arr = new Object[pq.size()];

// iterating element using for each loop

arr = pq.toArray();

for (Object o : arr) {

System.out.print(o + ",");

}

}

}