Java developers have a choice for iterating collection of objects. Here's why the Java Iterator vs. Enumeration debate is all about the Iterator.

Find out why the java.util.Collections class includes static methods that return immutable empty collections and iterators.

In the iterator, store the current node, the current word (all previous characters, initially empty), and the position in the children/links array.

Has the ConcurrentModificationException been thrown in you Java app? Here are four simple ways to fix the ConcurrentModificationException in your code.