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| Preface |

## Request for Comments

We invite you to help us improve the book. If you have an idea that could make this a more useful resource, or if you find a bug in an example program or an error in the text, please let us know by sending email to bookquestions@ora.com.

As Java continues to evolve, we may find it necessary to issue errata for this book or to release updated examples or reference information. This information will be found at the book's Web site http://www.ora.com/catalog/javawt/.

Conventions Used in This Book |  | Acknowledgments