Which Language for Arduino?

Question

I think just C would be fine. But it's not available here. So should I learn C++ or C#?

Answer 1

in the way they are conceived, not that much but in the way you use them yes

Answer 2

Arduino uses a simplified C++ language. You should be fine by looking at the examples and the tutorials online. Sololearn C++ course will not do any harm.
Move to C when you'll have to dive deeper writing AVR assembler code (specially if you do stuff with Attiny chips that have limited memory).

Answer 3

if you want to learn C, just go somewhere else (at least for now) as, unfortunately, this app does not have C tutorials ... :(

Answer 4

Are there such big differences between them?