The aim of this book is to equip Java developers with all the knowledge they need to fully exploit the richness available to Java applications provided by Symbian OS. For them, this book offers hands-on programming experience to get to grips with the practical aspects of application development on the latest generation of mobile phones. The sequence to facilitate fast assimilation and learning will be:- To develop example apps illustrating key functionality, then show how to install these apps onto real devices and finally to show results as screen shots of them running. The book will be liberally sprinkled with code samples, including several case studies, which will be deployed on the UIQ and Series 60 variants of Symbian OS. This book is not intended to be an API-by-API treatment of either the MIDP 1.0 or MIDP 2.0 spec. Rather it will illustrate the capabilities of  MIDP on Symbian OS (including MMA, WMA and Bluetooth) by developing real sample applications which will be deployed onto real Symbian OS devices. It will concentrate on J2ME MIDP 1.0 and 2.0, as this platform has become the Java standard for phones (currently over 100 million MIDP-enabled phones have been sold a large proportion of these phones are Symbian OS). Hence the book covers the JSRs that will be supported on Symbian's first MIDP 2.0 device, the Nokia 6600.  It will also concentrate on the optional J2ME APIs that Symbian OS Java is currently supporting, or will be supporting in the near future.