سؤال عن Java Native Interface

Dear arabteam :

I have a problem in java and need your help

I Want to use java native interface but I didn't know how to use it

I didn't know how to Build the shared library from native code

and I don't not know how to build .dll file

please if any one can help me by give me the step to do this

Note

I want to call .cpp file from java program ..

Thanks