Nokia's Series 40 Developer Platform gives Java developers access to the world's highest-volume, fastest-growing, and most exciting mobile markets. Nokia sells close to 100 million units within their Developer Platform families every year, and the Series 40 Developer Platform is the highest-volume platform in the family. Success on this platform is crucial for the commercial success of any mobile application. Knowledge of the Series 40 Developer Platform can be applied to the Java environment on all Nokia Developer Platform devices, including Series 60 devices. Fully reviewed by Nokia's subject matter experts, this book covers the entire development processfrom design and coding through testing and deployment. The authors walk you through eleven complete example applications, presenting downloadable client and server source code that you can use to jump-start virtually any project. Along the way, the authors illuminate the technical underpinnings of Series 40, review crucial architectural issues, introduce key mobile design patterns, discuss scalability and device optimization strategies, and offer dozens of best practices and tipsmany of which have never before been published.