hai everybody

I am beginner to J2ME, I need to know the things
that how one can run the Java class file in mobile, for example
I need to run c=a+b program that is in java class file in mobile.

and also can anyone suggest me some important material links
about this topic.

Thank you.

Beginning J2ME from Novice to Professional 3th edition from Apress(2005) is very good resource and google with "j2me tutorial" will give more then you can ever read.
PS: Make sure you check website latest update so you do not read some irelevant old non-sence