JDK 25 Documentation - Home
The documentation for JDK 25 includes developer guides, API documentation, and release notes.
Summary
Timefold Solver micro-benchmarks on Java 25 show no statistically significant performance change from Java 21 in most Constraint Streams cases, except 4% improvements in Nurse Rostering and Travel Tournament.
Real-world benchmarks indicate Java 25 is 8% faster than Java 21 in median move calculation speed using ParallelGC. Tests used Timefold Solver 1.28.0 on an Intel Core i9 with 64GB RAM.