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How much faster is Java 15?

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Java 15 was released on the 15th of September 2020 and has promised to bring with it a few performance tweaks in its G1GC and ParallelGC garbage collectors. What does it mean for OptaPlanner? Are there any benefits to be gained from upgrading from JDK11 to JDK15? In 2019, we found out that ParallelGC worksRead more →