What are the programming language used to code the following? Facebook, Twitter, Whatsapp and Skype.

Question

Please help me with the correct answers.

Answer 1

Don't forget to also help me get more upvote.

Thanks in advance

Answer 2

Thanks very much guys. You have really helped me.

Answer 3

Skype written on 4 languages, (C++), (Delphi), (Objective-C), (Object Pascal)

Answer 4

https://www.sololearn.com/post/387516/?ref=app

Answer 5

To code WhatsApp used Erlang

Answer 6

twitter uses javascript for frontend, C++, Java[18], Scala[19], Ruby for the backend and MySQL[20] for database

Answer 7

facebook uses javascript for frontend, Hack, PHP (HHVM), Python, C++, Java, Erlang, D,[6] XHP,[7] Haskell[8] for the backend and MariaDB, MySQL,[9] HBase, Cassandra[10] for database

Answer 8

facebook uses javascript for frontend, Hack, PHP (HHVM), Python, C++, Java, Erlang, D,[6] XHP,[7] Haskell[8] for the backend and MariaDB, MySQL,[9] HBase, Cassandra[10] for database

Answer 9

You may find answer in https://pinprogram.com/programming-languages/programming-languages-behind-twitter-facebook-whatsapp-instagram-and-linkedin/

Answer 10

Thanks for the answers, i have learnt from this question.