Mapping java, help please!

Hello,

I'm new in the use of XI and I'd like to make a java mapping but I don't know how to do it and how to be able to make the java IDE recognize the incoming and outcoming interfaces while I code the mapping.

I read a lot of things in this website but I didn't understand what to do...(maybe the words were too technical,I don't know).

Can someone can explain me how to do it from the beginning to the end with a short example?

How to make the java IDE (Borland JBUILDER but I can get ECLIPSE) recognize the interfaces and their structures.

What do I need to do, import or implement in the java IDE?

Where can I find a java code example for a mapping?

I hope someone will be able to answer to these qestions.

Thank you.

Christophe.