I've reached arrays in c# and I still didn't get what the use of c# plz help

Question

I've reached arrays in c# and I still didn't get what the use of c# plz help
like when do I get to learn to code stuff that I can use

Answer 1

If you are that far you can make a calculator or a rock-scissor-paper apllication.

read this book "head first c#"
http://www.headfirstlabs.com/books//hfcsharp/hfcsharp_free_book.pdf

Download the visual studio 2017 community version. It is free.
It gives way more possibilities to practice because you can use applications with UI

Answer 2

The common use of c# is:
Game Development (Unity3d)
VR Games
Windows Form