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=> What are the languages require to build an online chat system ?
I am trying to build an online chat system. what are the logic that I have to kept in mind while building this project ?
1 Answer
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Java/Kotlin for Android app (if you want one).
Objective-C/Swift for iOS app (if you want one).
HTML/CSS/JavaScript for Web app (if you want one).
Literally whatever you want for desktop app (if you want one).
Literally whatever you want for back end.