Methods of Collection Interface Iterator Interface in Java Iterators are one of the predefined interfaces that are present in the java.util.*package.

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..

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 ...