Conclusion and summary
The above three examples gives you an overview how J2ME can be used with today's modern technologies in a loosely coupled manner following the methodology of SOA.
In this tutorial, you have learned how to use Eclipse IDE and the Sun WTK. You have also learned how to develop a web service and deploy it in various servers and consume the web service through J2ME client developed in Sun WTK. These free tools allow Java developers to quickly learn and prototype J2ME applications for mobile phones.