2019
https://twitter.com/zhekakozlov/status/1135506701438857217?s=12
    good demo
https://dzone.com/articles/39-new-features-and-apis-in-jdk-12
    https://habr.com/ru/post/446590/
https://proglib.io/p/java-12-new-features/
https://blog.codefx.org/java/java-12-guide/
https://blog.joda.org/2018/10/adopt-java-12-or-stick-on-11.html
https://blogs.oracle.com/java-platform-group/the-arrival-of-java-12
    https://www.infoq.com/news/2019/03/java12-released
    http://www.opennet.ru/opennews/art.shtml?num=50356
https://habr.com/ru/company/jugru/blog/444434/