じゃあ or じゃ?
I saw both of them appear in phrases such as じゃあ、また and じゃね, so which is the correct one?

Question

じゃあ or じゃ?
I saw both of them appear in phrases such as  じゃあ、また and じゃね, so which is the correct one?

Answer

All are correct and used in casual situations like among friends. Their nuances in English are じゃあ; See you. また（ね）; See you soon. じゃね; See you. （じゃあね is more natural） You can also say それじゃ（あ）; See you then.
When you say "See you" to elder people in Japanese, "それでは(失礼します)" is the best. It also means "See you".

Answer

Yes 　It is correct 　It like 1. Hen gap lie is/ じゃあ　また/See you again! 2　Tam biet /　じゃあ/See you! 　It use inFriend to Friend  but in office also use  Basic Japanese form　those are  1 is "それでは、また　会いましょう　2.　ではまたね. Both Japanese Words correct and when say good by to friend or company staff.. Image like じゃあまた　use in office or school at weedend or before holiday. じゃねis use by ladies week day at  office or school.