Object Types in Goody Bag
The problem context or goody bag of available object types consists of our previous data structures work (on previous challenges).

DynamicList is the super-type, and we have two sub-types.
         Dynamic
          List
           |
  ---------+---------
  |                 |
Dynamic           Linked
 Array             List
Behaviors in Goody Bag
Here is a listing of the available behaviors declared on the super-type "DynamicList", and inherited by the sub-types.
  Dynamic
    List
----------------------
(behaviors/methods)
size
isEmpty
get
first
last
addFirst
addLast
add
addAll
set
insert
removeFirst
removeLast
removeAll
removeIndex
remove
subList
find
toNativeList
toString