Priority Queue

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Learn Priority Queue data structures in 5 minutes 🥇
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Priority queues data structures and algorithms tutorial example explained

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1 year ago (edited)
import java.util.*;



public class Main{



    public static void main(String args[])

    {

    	//Priority Queue = A FIFO data structure that serves elements

    	//                             with the highest priorities first

    	//				  before elements with lower priority



    	//Strings in default order

    	Queue<String> queue = new PriorityQueue<>();



    	//Strings in reverse order

    	//Queue<String> queue = new PriorityQueue<>(Collections.reverseOrder());



    	queue.offer("B");

    	queue.offer("C");

    	queue.offer("A");

    	queue.offer("F");

    	queue.offer("D");



    	while(!queue.isEmpty()) {

    		System.out.println(queue.poll());

    	}

    }

}