In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

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 ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Fortunately, Java provides a simple mechanism to help developers avoid this exception. Java iterators are divided into two separate camps: fail-fast and fail-safe. It is the fail-fast iterator that ...

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

I have the following variable:Hashtable contentDirectories = new Hashtable();I have subsequently filled the hashtable with 1 or more entries as such:code:public void addDirectory(String configInfo ...