Java-DSA/InQueue.java at main · Pratyay-Mondal/Java-DSA · GitHub

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import java.util.PriorityQueue;

public class InQueue {

    public static void main(String[] args) {

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


        System.out.println("Queue is empty? : "+que.isEmpty());

        que.add(12);
        que.add(45);
        que.add(74);
        que.add(98);
        que.add(47);
        que.add(35);
        que.add(68);
        que.add(57);

        System.out.println("Now the queue elements are : "+que);

        que.remove();
        que.remove();

        System.out.println("Now the queue elements are : "+que);

        System.out.println("Now the top element of queue is : "+que.peek());

        System.out.println("Size of queue is : "+que.size());

        System.out.println("Queue is empty? : "+que.isEmpty());

    }


}