How do you do in Japanese language?

Answer:
初めまして (hajimemashite) You only say that if you are meeting someone you don't know.

お元気ですか (ogenki desu ka) You say that to someone you know.
First answer by Tightropewalker. Last edit by 54together. Contributor trust: 3 [recommend contributor recommended]. Question popularity: 1 [recommend question].