How different is OpenJDK?
Want to understand the difference between an Oracle JDK and an OpenJDK from the AdoptOpenJDK community?
OpenJDK with Eclipse OpenJ9: No worries, just improvements
Why OpenJDK with Eclipse Open J9 is the best Java runtime, with fast startup, small footprint and great performance.
New to Eclipse OpenJ9?
OpenJ9 is a drop-in replacement for the Hotspot VM. Learn about the slight runtime differences and get migration hints.
Optimize JVM startup with OpenJ9
Boost startup speeds with shared classes caching, dynamic AOT and more.
Memory management in Eclipse OpenJ9
Learn about garbage collection tradeoffs and tuning with OpenJ9.
AdoptOpenJDK: A community you can count on
Looking for a performant, multiplatform, production-ready JDK? Learn why AdoptOpenJDK should be at the top of your list.