Java Collections.asLifoQueue(Deque <T> deque)

public static <T> Queue <T> asLifoQueue(Deque <T> deque)

//from   w w w .  j a v  a 2  s .c  om
import java.util.ArrayDeque;
import java.util.Collections;
import java.util.Deque;
import java.util.Queue;

public class Main {
   public static void main(String args[]) {
       
      Deque<Integer>  deque = new ArrayDeque<Integer> (7);
      
      deque.add(1);
      deque.add(2);
      deque.add(3);
      deque.add(4);
      deque.add(5);        
      
      // get queue from the deque
      Queue<Integer> nq = Collections.asLifoQueue(deque);      
      
      System.out.println("View of the queue is: "+nq);
   }    
}