PriorityQueue.iterator() has the following syntax.
public Iterator <E> iterator()
In the following code shows how to use PriorityQueue.iterator() method.
import java.util.Iterator; import java.util.PriorityQueue; // w w w .ja v a 2s . co m 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) ; } // create iterator from the queue Iterator it = prq.iterator(); while (it.hasNext()){ System.out.println ( "Value: "+ it.next()); } } }
The code above generates the following result.