Yes, this project uses Minecraft, but it is not the only tool. You will be expected to use others.
Our old "wiki-style" walkthrough is here.
So first, here are some beginner activities to fill your days with programming concept goodness! Enjoy!
Now that you have the fundamentals nailed down, dig in to one of these topics to explore deeper.
Check out some specific coding languages and take a deeper look.
Code Academy with actual coding tutorials
Microsoft MakeCode Minecraft
Learn some sweet languages at Khan Academy
Practice Python & Java w/ Code Combat