This is a question everyone must answer.... WHAT PROGRAMMING LANGUAGE WAS USED IN PROGRAMMING SOLOLEARN???

Answer 1

This is a question everyone must... SEARCH TEH FORUMS BEFORE ASKING

Java 🍵

Answer 2

Depends on which platform you are referring to. The Android app is most likely written with Java. Their iOS app is probably a Swift product and their website is on php I guess.

Answer 3

I guess Java, but, they also have a website. So its probably a mix of different languages + database stuff