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import java.util.PriorityQueue; public class PriorityQueueRemoveExample4 { public static void main(String[] args) { PriorityQueue
Pqueue = new PriorityQueue
(); Pqueue.add(1); Pqueue.add(2); Pqueue.add(3); System.out.println("Elements in queue = "+Pqueue); //if no value is provided then by default remove() method removes the head element. System.out.println("Element removed = "+Pqueue.remove()); System.out.println("Elements left in queue = "+Pqueue); System.out.println("Element removed = "+Pqueue.remove()); System.out.println("Elements left in queue = "+Pqueue); } }
Output