AcknowledgmentsLike most books, this book represents the work of many people. In this case, however, an unusually large number of people around the world have worked to make the Java 2 Platform, Micro Edition梐nd also this book梐 reality. In five short years, a humble, two-person research project at Sun Labs grew rapidly into a highly collaborative product development and standardization effort involving hundreds of companies and thousands of people all over the world. The summary that follows is an attempt to give a glimpse into the different groups of people who participated in this journey. To these and many others too numerous to mention, we give our thanks and appreciation for what they did to make these ideas and this book possible. Attempting to name these people in no way diminishes the contributions of those who we also meant to name but in the pressure of time and the failure of memory somehow overlooked. Many people read draft versions of this book and sent us comments that improved the book substantially. The authors would like to thank all the reviewers for their willingness to send comments and constructive criticism on the various versions of the book and the sample applications. The authors would also like to thank Lisa Friendly for allowing us to publish this book in Sun's Java book series and for lending us capable technical writing resources to finish this book. Jim Holliday, our technical writer and editor at Sun Microsystems, edited various versions of this book tirelessly. Without his expertise in the mysteries of desktop publishing, grammar, and that pesky topic known as punctuation, this work would have been much worse for the wear. Three other people at Sun Microsystems deserve special mention: Cindy Bloch, Senior Technical Writer, who contributed greatly in editing several chapters; Tasneem Sayeed, Staff Engineer, who provided very detailed comments on the various versions of the book; and Tim Dunn, Visual Designer, who devoted many long hours to perfecting the graphics in this book. Numerous companies have been involved in the standardization efforts related to the Java 2 Platform, Micro Edition. We would like to thank all the CLDC and MIDP expert group members for their active participation and valuable contributions. In addition to the official members of the CLDC and MIDP expert groups, hundreds of other companies and individuals sent us feedback while the CLDC and MIDP standardization efforts were in progress. The authors found it amazing how much of their time people were willing to contribute to ensure the progress of the Java technology in the wireless space. Someone once said that hardware without software is a space heater. Similarly, without products, the CLDC and MIDP specifications would be limited in their value. The authors would like to thank wireless device manufacturers, wireless network operators, and software developers for widely embracing the CLDC and MIDP standards, thereby allowing software developers all over the world to finally have a common platform for mobile software development. Various product groups in Sun's Consumer and Mobile Systems Group (CMSG) organization participated in the design and implementation of the CLDC and MIDP reference implementations. The authors would like to thank Sun's CLDC team, MIDP team, and Wireless Toolkit team members who worked on the reference implementations of the standards and products discussed in this book. The TCK (Technology Compatibility Kit) and Quality Assurance teams at CMSG also played a critical role in ensuring the quality and compatibility of the products. The Nokia authors would like to thank the following Nokia people who have been closely involved in the MIDP 2.0 standardization work: Kari Systä, Kimmo Löytänä, Markku Tamski, Anna Zhuang, and Antti Rantalahti. Special thanks go to all the Nokia Java teams who have made it possible for Nokia to launch over 30 products with J2ME support and to ship tens of millions of J2ME devices. The Motorola authors would like to thank all the people in Motorola who helped make CLDC and MIDP a success. Special thanks go to the team members in Motorola's WSAS and iDEN groups that had the vision, developed the first CLDC/MIDP device to reach the market, and still continue to push the envelope in terms of performance and capabilities. The preparation of this book has been a rather challenging endeavor. The authors are located in different cities and time zones, and because of the extensive amount of travel involved in standardization and product development work these days, a significant portion of the text in this book was written in airplanes, airports, and hotels. Luckily, the advances in wireless technology have made it easier for people to stay in touch regardless of their physical location. Unfortunately, it also means that it is increasingly difficult to avoid those after-8-p.m. phone calls and urgent text messages and e-mails, especially from your co-authors and colleagues located in Western time zones. The standards discussed in this book, for better or worse, will probably only accelerate this trend. All the authors would like to thank their family and friends who have had the patience and understanding to endure the long hours the authors have spent away from home writing this book, as well as developing these standards and related technologies and products. Without their support and understanding, none of this would have been possible. Jyri Huopaniemi, Helsinki, Finland
Mark Patel, Chicago, Illinois, USA
Roger Riggs, Burlington, Massachusetts, USA
Antero Taivalsaari, Tampere, Finland
Aleksi Uotila, Tampere, Finland
Jim Van Peursem, Chicago, Illinois, USA
April 2003
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