If I want to make a program for chatting like watsapp?

Question

If I want to make a program for chatting like watsapp,what is the best programming language for doing that?
And where is the best place for learning how to do that?

Answer 1

Whatsapp (if I'm not mistaken) is written on old language Erlang. Modern messengers are written in a wild mess of frameworks. The most banal choose is Java, here you should rather choose what is more pleasant language to write on for you) Good luck!