public class Deck
{
    public Deck ()
    {
        
    }
}
@@ -1,12 +1,33 @@
+import java.util.*;%0A%0A
 public class
@@ -71,12 +71,333 @@
     
-%0A    %7D
+_theDeck = new ArrayDeque%3CInteger%3E();%0A    %7D%0A%0A    @Override%0A    public String toString ()%0A    %7B%0A        String str = %22%22;%0A        Iterator%3CInteger%3E iter = _theDeck.iterator();%0A%0A        while (iter.hasNext())%0A        %7B%0A            str += iter.next();%0A        %7D%0A%0A        return str;%0A    %7D%0A%0A    private ArrayDeque%3CInteger%3E _theDeck;
 %0A%7D

Update Deck.java