Oh... oh my Gosh..... it's full of... he globally declared his LOOP INDEXING VARIABLES?!

I really appreciate him making that available, fantastic little cautionary tale, clearly from an enthusiastic and thoughtful learner of Java - glad he's made good progress since then, though, that's... I mean, dang it is REALLY bad, but it is also amazing as a sort of exercise in him just knowing what he wants to do and finding (bad) ways to make it happen. And that's admirable, even if it is also horrifying to see unfold. :D