MyPriorityQueue.java

package com.learncsdesign;

import java.util.PriorityQueue;
import java.util.Queue;

public class MyPriorityQueue {

	public static void main(String[] args) {
		Queue<String> animals = new PriorityQueue<>();
		/* The elements of the priority queue are ordered 
		 * according to their natural ordering, 
		 * or by a Comparator provided at queue construction time
		 */
		animals.add("Panda");
		animals.add("Deer");
		animals.add("Monkey");

		for (String animal : animals) {
			System.out.println(animal);
		}

	}

}