Ceylon does better in this regard [1]. Ceylon and Kotlin share some features and aesthetics but Ceylon provides a lot more power over java8 than a nicer syntax for lambdas, e.g. algebraic types. I'm also excited about Ceylon's module system [2].

1: http://ceylon-lang.org/documentation/1.0/faq/language-design... 2: http://ceylon-lang.org/blog/2013/04/11/about-modules/