Articles 2026 Level up Your Java Streams with Gatherers. Java Magazine (NLJUG), May 2026 2018 VAVR - Zet Java op z’n kop. Java Magazine (NLJUG), October 2018 (.pdf) 2017 Finagle - Resilient RPC voor de JVM. Java Magazine (NLJUG), April 2017 (.pdf)