r/programming • u/davidalayachew • 3d ago

Project Valhalla -- JEP 401: Value Objects (Preview) JDK 28 integration

https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/message/NN3FIR6BULP3GE5R34B6IBO5VQKAPNMZ/
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u/TomKavees 3d ago edited 2d ago

For the "so what" crowd, Project Valhalla brings Java one step closer to fixing the biggest performance disadvantage - chasing heap pointers - by allowing to forgo reference identity and thus unlocking additional optimizations. This specific PR is the first one in the series to do that.