vba - excel 2003 vb writing class -

i want write class in java/c# in excel 2003 using visual basic. not know write class.

is example of writing class? if yes should put these in excel 2003?

type employee     name string     address string     salary double end type 

what have there user defined type (a fixed data structure) can place in module in project.

to create class module (which presume you're looking for), right click vba project -> insert -> class module