Java PriorityQueue.toArray(T[] a)

public <T> T[] toArray(T[] a)

import java.util.PriorityQueue;
/*w w  w  .j  ava 2  s  .  co m*/
public class Main {
   public static void main(String args[]) {

      PriorityQueue<Integer>   prq = new PriorityQueue<Integer>(); 
       
      // insert values in the queue
      prq.add(1);  
      prq.add(2);
      prq.add(1);
      prq.add(64);
      prq.add(1);
      
      System.out.println(prq);
      
      // create arr1
      Integer[] arr1 = new Integer[5];
      
      // use toArrsy() method
      Integer[] arr2 = prq.toArray(arr1); 
      
      for ( int i = 0; i<arr1.length; i++ ){  
         System.out.println (arr1[i]) ; 
      }
      
      for ( int i = 0; i<arr2.length; i++ ){  
         System.out.println (arr2[i]) ; 
      }
   }
}