Java vs. Haskell not-so-much. But it's mostly in such comparisons that "closures" and "first-class functions" are brought up. If you check out /r/haskell you'

Java vs. Haskell not-so-much. But it's mostly in such comparisons that "closures" and "first-class functions" are brought up. If you check out /r/haskell you'd be hard pressed to find those terms. I hardly ever think of closures qua closures; they are a language implementation detail that's at a level barely above assembly.