Using a stack as a Queue in Java -


I need to process a tree in different orders, assuming that both BFS and DFS both have a queue or a Using stack is easy, however, there is a proper Java interface available to me to do something 

  queueOrStack & lt; N & gt; Pending = ... while (! Pending! ISet ()) {N node = pending.poll (); // & lt; ----- This problem is pending. All (node ​​children ()); Process (node); }   
 There is no real problem, I have implemented  ArrayList  in implementing some  line   1  Can I do though, am I sure I'm seeing something in the Java Store Framework or is it really missing? Use the latest-first comparator with  
 <__>  
  or  priority question , which may be a dumb idea.   
 
 
 Such structure is there.  
 It will be  ArrayDek  ->

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