Java Database Connectivity (JDBC)

Hi friends
i am new in this forum
i want to know that how to make disscussion Forum in servlet or jsp? any source code
or any link for source code
becoz im working on my last year project and my projects is student managment in servlet and jsp
in my projects i want to add forum option for login student

so please help me ??


also want ur help that how to open any windows ".EXE" file like as notepad or mysql or c or c++
in jsp or servlet ..
if there any other option to open exe please tell me ....
waiting for ur reply friend
please help me