This book contains a complete and market-ready commercial java application. No demos nor incomplete packages. It will give you the overview of all the distinct parts that make up such an application and will give you the required self confidence to write your own great applications. You can reuse classes to suit your own specific needs. There are plenty utility classes and plenty of classes that can easily be extended to allow you to incorporate out of the box functionalities like parsing text, searching in files with search engine syntax, comparing file contents, querying databases, constructing Dialogs and panels, managing favorites, browsing discs, indexing files on disc, etc etc.