Java is certainly being used, but it is not an optimal language for trading software. Trading software has the bureaucratic aspect (IO, etc) and the really mon

Java is certainly being used, but it is not an optimal language for trading software. Trading software has the bureaucratic aspect (IO, etc) and the really money making aspect (calculations). Let me show an example how f'up pretty much all non-functional languages are in solving SIMPLE interest (total cost of operation) calculations: https://github.com/eduardordm/cet-java/blob/master/src/main/java/cet/Cet.java https://github.com/eduardordm/cet-java/blob/master/src/main/... This can be solved with a few lines of OCaml - not that current O(nˆ2) approximation crap.