The Rexx Array class is a lot like the Java Vector
class...except there is no method for adding a new item
at the end of the array. An because array's can be
sparse, this is actually a difficult operation to code
yourself. A method is needed to append an item after
the last occupied slot of the array.
Also, there have been some frequent questions from
users on concatenating arrays. There should be a
version of append that allows another array to be
appended to an array.
NOTE: These operations are only properly defined for