How to install JavaFX and the Dark Theme for eclipse

I'll show you how to install JavaFX for eclipse. We also change the look of eclipse to a dark theme. I'll show you two different solutions for each task. Check out my other tutorials as well. 

Java Mini Game Tutorial: Flying Nyan Cat

Today we create a small Java game. It is little effort and takes only a short time.
At the end we have a beautiful flying Nyan cat.
At the same time we learn something about GUI programming in Java.

You can download the code here:
https://github.com/Gaspared/Cat