It is an article from TheServerSide.com, written by Dan Moore, and posted in February 2005. Click this URL to read it.

A cell phone application can be a good fit for certain types of problems, especially those requiring timely data access away from typical internet connectivity. Java 2 Micro Edition (J2ME) is one of the leading platforms for developing such solutions.

This paper explores the various facets of building a J2ME application. It assumes a working knowledge of Java. The focus is on a MIDP 1.0/CLDC 1.0 application that depends heavily on network access.