Hi, I'm the author of this project. I actually coded most of it in 2014, i just did some refactoring and uploaded it to GitHub in 2019 after I mentioned it in a job interview and the guy asked if the code is uploaded anywhere so he could look at it.
I figure you noticed the drastic increase in repo activity and stars. What's your own opinion on java-ness of the code? Do you feel it is an accurate assessment?
I hope you didn't take it personal, I've most certainly done similar things when I learned C# after doing java for the initial university courses.