PriorityQueue toString() in Java

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

Syntax:

String java.util.AbstractCollection.toString()

This method returns a string representation of this collection.

Parameters: NA

Returns: a string representation of this collection.

Exceptions: NA

Approach

Java

import java.util.PriorityQueue;

public class PriorityQueuetoString {
    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(priorityQueue.toString());

    }
}

Output:

[2, 5, 10, 12]