In the past several years, Java has become the hot new programming language. The reasons for Java's popularity are its portability, robustness, and ability to produce Internet-enabled applications. This IBM Redbooks publication explains how you can use Java and the IBM eServer iSeries server to build server applications and client/server applications for the new network computing paradigm. It focuses on two key products: VisualAge for Java Version 3.5 and IBM Toolbox for Java. Throughout this book, you’ll find many practical programming examples with detailed explanations on how they work. You’ll see how to modernize legacy RPG applications in a practical and evolutionary way through client and server Java examples. These examples are available for download from the Redbooks Web site. To understand this code better, download the files, as explained in Appendix A, and use them as a reference. This book is intended to help customers and service providers who need to install and configure Java on the iSeries server. It also targets application developers who want to develop Java applications for the iSeries server. Reading this book will help you to quickly and easily start using Java with the iSeries server.