Nicolai (aka nipafx) is a Java enthusiast focused on language features and core APIs with a passion for learning and sharing. He does that in blog posts, articles, newsletters, and books; in tweets, repos, videos, and streams; at conferences and in-house trainings - more on all of that on That aside, he's best known for his haircut.


  • Java
  • English


  • Tuesdays 1700 UTC