import java.util.Iterator;
import java.util.LinkedList;
import java.util.PriorityQueue;
import java.util.Queue;

public class QueueProgram
{
    public static void main(String[] args)
    {
        Queue<Object> queue=new PriorityQueue<>();
        queue.add("Ankit");
        queue.add("Sandip");
        queue.add("Pankaj");
        queue.add(10);
        queue.remove("Sandip");
        
        Iterator itr= queue.iterator();
        while(itr.hasNext())
        {
            System.out.println(itr.next());
        }
    }
}