Champion
Stefan Johansson
Oracle
Stefan is a software engineer in Oracle's HotSpot GC team, where he has been a key contributor since joining in 2013. With a strong focus on the G1 and ZGC garbage collectors, Stefan has been actively involved in the OpenJDK community throughout his career. Before diving into garbage collection, he worked on a variety of other JVM-related projects at Oracle, building a deep expertise in Java performance and memory management.
Badges 4
Talks 3
- Devoxx Belgium 2025
Garbage Collection in Java: Choosing the Correct Collector
- Devoxx Belgium 2024
Garbage Collection in Java: The progress since JDK 8
- Devoxx UK 2024
Garbage Collection in Java: The progress since JDK 8



