PriorityQueue toArray() in Java

toArray(): This method is available in java.util.PriorityQueue class of Java.

Syntax:

Object[] java.util.PriorityQueue.toArray()

This method returns an array containing all of the elements in this queue.

Parameters: NA

Returns: an array containing all of the elements in this queue.

Exceptions: NA

Approach

Java

import java.util.Arrays;
import java.util.PriorityQueue;

public class PriorityQueuetoArray {
    public static void main(String[] args) {

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

        priorityQueue.add(12);
        priorityQueue.add(5);
        priorityQueue.add(10);
        priorityQueue.add(2);

        System.out.println(Arrays.
                           toString(priorityQueue.toArray()));

    }
}

Output:

[2, 5, 10, 12]