java.util.Collections.asLifoQueue() 方法

package com.codingdict;

import java.util.*;

public class CollectionsDemo {
   public static void main(String args[]) {

      // create Deque object       
      Deque<Integer> deque = new ArrayDeque<Integer>(7);

      // populate the object
      deque.add(1);
      deque.add(2);
      deque.add(3);
      deque.add(4);
      deque.add(5);        
      deque.add(6);
      deque.add(7);

      // get queue from the deque
      Queue nq = Collections.asLifoQueue(deque);      

      System.out.println("View of the queue is: "+nq);
   }    
}