aksarben wrote:You mean to sell support on the software, not to let go of development and become a support employee as I wrongly interpreted the first time I read that ;)
This problem is as old as the hills, & basically insoluble. If you're worried about losing money in a commercial app, find some other way to make money (such as support).
SRAVZ wrote:Looks like you should learn what Interfaces ans (abstract) classes are good for.
if i want write common methods how do i proceed .i.e. for example do i have to create an interface(may b abstarct) and extend a class which has the implementing details
or do a class which has 1000 methods in it.Definitly not!