PriorityBlockingQueue iterator() method in Java

// Java Program Demonstrate iterator()
// method of PriorityBlockingQueue
import java.util.concurrent.PriorityBlockingQueue;
import java.util.*;
public class GFG {
    public static void main(String[] args)
    {
        // define capacity of PriorityBlockingQueue
        int capacityOfQueue = 5;
        // create object of PriorityBlockingQueue
        PriorityBlockingQueue<Integer> PrioQueue
            = new PriorityBlockingQueue<Integer>(capacityOfQueue);
        // Add elements to PriorityBlockingQueue
        PrioQueue.add(945645);
        PrioQueue.add(6468516);
        PrioQueue.add(7564165);
        PrioQueue.add(45616);
        // print PrioQueue
        System.out.println("PrioQueue: " + PrioQueue);
        // Call iterator() method of PriorityBlockingQueue
        Iterator iteratorVals = PrioQueue.iterator();
        // Print elements of iterator
        // created from PriorityBlockingQueue
        System.out.println("The iterator values"
                           + " of PriorityBlockingQueue are:");
        while (iteratorVals.hasNext()) {
            System.out.println(iteratorVals.next());
        }
    }
}

// Java Program Demonstrate iterator()
// method of PriorityBlockingQueue
import java.util.concurrent.PriorityBlockingQueue;
import java.util.*;
public class GFG {
    public static void main(String[] args)
    {
        // define capacity of PriorityBlockingQueue
        int capacityOfQueue = 5;
        // create object of PriorityBlockingQueue
        PriorityBlockingQueue<String> names
            = new PriorityBlockingQueue<String>(capacityOfQueue);
        // Add names of students of girls college
        names.add("Geeks");
        names.add("forGeeks");
        names.add("A");
        names.add("Computer");
        names.add("Portal");
        // Call iterator() method of PriorityBlockingQueue
        Iterator iteratorVals = names.iterator();
        // Print elements of iterator
        // created from PriorityBlockingQueue
        System.out.println("The Names are:");
        while (iteratorVals.hasNext()) {
            System.out.println(iteratorVals.next());
        }
    }
}