A Sample ArrayList Example.
Example Use of the ArrayList Class with adding and accessing items using an enhanced for loop.
This example showed how to use an iterator.  Iterators have references
to the next object in an array list.  To delete items in an array list
you need to use a Iterator as you can't use a for loop to delete items
out of an ArrayList object.
Added code to demonistrate how to replace a item from an ArrayList.

Also refactored a method to allow for easy printing of ArrayList items in the
remaining program.
Example code showing how to replace item in an ArrayList Object.
Example code for the ArrayClass Method.