PriorityQueue test program. - Java Collection Framework

Description

PriorityQueue test program.

Demo Code

import java.util.PriorityQueue;

public class Main 
{
   public static void main(String[] args) 
   {//ww w  .j  av  a 2  s .c o m
      // queue of capacity 11
      PriorityQueue<Double> queue = new PriorityQueue<>();

      // insert elements to queue
      queue.offer(3.2);
      queue.offer(9.8);
      queue.offer(5.4);

      System.out.print("Polling from queue: ");

      // display elements in queue
      while (queue.size() > 0)
      {
         System.out.printf("%.1f ", queue.peek()); // view top element
         queue.poll(); // remove top element
      } 
   } 
}

Result

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