In this Java 101 tutorial, I’ve explained how interfaces differ from classes, and showed you how to declare, implement, and extend interfaces in your Java programs.

Any developer who wants to master functional programming in Java will need to be comfortable with the Predicate interface and will make manipulating collection classes with lambda expressions ...

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.. Can anyone outline a basic algorithm to return ...