From Forum Nokia Wiki

Different Java ME resource sites are:

Nokia Resource: http://www.forum.nokia.com/main/resources/technologies/java/index.html

Sun resource: http://java.sun.com/javame/index.jsp

Sonyericsson Resource: http://developer.sonyericsson.com/site/global/home/p_home.jsp

Motorola Resource: http://developer.motorola.com/

Samsung Resource: http://developer.samsungmobile.com/Developer/index.jsp

BlackBerry Resource: http://na.blackberry.com/eng/developers/javaappdev/

LG Resource: http://developer.lgmobile.com/