Java Collection Tutorial - Java Collections.asLifoQueue(Deque <T> deque)

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Syntax

Collections.asLifoQueue(Deque <T> deque) has the following syntax.

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

Example

In the following code shows how to use Collections.asLifoQueue(Deque <T> deque) method.

/*from  www  . 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);
   }    
}

The code above generates the following result.

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