Nice write-up of the pain points in Java. Though, aggregating and mapping over (in Java or not) (possibly infinite) streams is not really the same as doing that

Nice write-up of the pain points in Java. Though, aggregating and mapping over (in Java or not) (possibly infinite) streams is not really the same as doing that over containers. In other words, Java8 doesn’t have the ability to flatMap et al. an arbitrary container, unlike Kotlin or Scala.