dequeue - Double Ended Queue implementation using double linked list

import java.util.*;

class Mydequeue
{
    public static void main(String args[])
    {
LinkedList<Integer> deq = new LinkedList<Integer>();
        deq.add(10);
        deq.add(20);
        deq.addLast(30);
System.out.println("The Deque is: " + deq);
        deq.addFirst(5);
System.out.println("After inserting an element at first position Deque is : " + deq);
       deq.removeFirst();
        System.out.println("After removing first element Deque is : " + deq);
        deq.removeLast();
        System.out.println("After removing the last element Deque is  : " + deq);

    }
}