Java Streams Beauty

gistfile1.txt

Stream.of("Bob hit a ball, the hit BALL flew far after it was hit.".split("\\W"))
   .filter(a->!a.trim()
   .isEmpty())
   .map(a -> a.trim().toLowerCase())
   .filter(s ->!s.equals("hit"))
   .collect(Collectors.groupingBy(Function.identity(),Collectors.counting()))
   .entrySet()
   .stream()
   .max(Comparator.comparing(a->a.getValue()))
   .get();
   
   -- answer ball=2