Hi

            I was facing a telephonic round of an interview and the interviewer had asked me this question.. I tried to ask people working for over 2 years on salesforce and a team Lead as well but couldn't find the answer.. So here I am.. where I've always got the help, when looked for.. So here Is the Question

Int: can we  use use Multiple extensions?

Me: Yes, we can.

Int: we have three extensions ext1, ext2, ext3.. and all of them have the method Method1.. and I call this method  in a VFPage whose method will be called..

Me: The one which is on he left most side.

Int: I want to call the Method of Ext2/Ext3.. How will I do so?

Me: Numb!! Job Gone!! Me yet Jobless..  :(