When using Eclipse to develop J2ME, you need a plugin: Eclipseme
I collected several articles about this plugin installation and use using Eclipseme development J2ME program http://www-900.ibm.com/developerworks/cn/java/j-eclipse-me/index.shtml
Install Eclipse3.5.5 on Eclipse3.0.1 at http://blog.java-cn.com/more.asp?name=wangjun0054&id=509
Information on the official website, diagram is very detailed: http://eclipseme.org/docs/installation.html
