Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

All the classes released in Java 2 that implement the collection interface contain an iterator () method, which returns an instance of the Iterator. There's nearly universal support for the Iterator ...

Anyway- its an implementation of a Trie following these interfaces.. It seems to work okay, but I'm not sure how to go about coding the iterator..