Java PriorityQueue.offer(E e)

public boolean offer(E e)

/*  www . j av  a  2  s .  c om*/

import java.util.PriorityQueue;

public class Main {
   public static void main(String args[]) {

      PriorityQueue<Integer>   prq = new PriorityQueue<Integer>(); 
       
      for ( int i = 0; i < 10; i++ ){  
         prq.add (i) ; 
      }
      
      System.out.println(prq);
      
      // add using offer() function call
      prq.offer(122);
      
      System.out.println(prq);
   }
}