Mobile Computing Application Development - Java Platform

Java Based Integrated Application Development Tools On server Side - Java has become a standard dominant language for server-side programming. Java makes it easier to write safe, reliable code through features, such as automatic memory management and structured exception-handling. A large set of APIs and cross-platform design provide power and portability. Sun has announced significant enhancements for mobile computing and interfaces to wireless networks. Several application servers support Java interfaces.

J2EE - Java Second Version Enterprise Environment Development - Go here

Java (J2ME) Application Development On Client Side- Go here 

Java Application Development Enhancement Products - Go here