I am new to netbeans..i need help about jbuttons functionality.i want to make a main window having some buttons that can lead to other applications/projects i have created.
How to link different projects/applications through one main window.e.g
main window having button Calculator,on pressing it should lead to calculator application.and a converter button that will lead to converter application.

and should i create different projects for this purpose or create all this within one project.Please guide me..