Can somebody explain me how to use Dart?

Question

I need to do examples for an incoming project but I don't understand the language.

Answer 1

For basic understanding of dart language see below link

https://www.youtube.com/playlist?list=PLlxmoA0rQ-LyHW9voBdNo4gEEIh0SjG-q

Answer 2

Dart isn't a supported language on SoloLearn, unless there's a user course I don't know about.

So I'd suggest looking at other online tutorials, videos, and documentation.