Weather the Storm: How Value Classes Will Enhance Java Performance

Project Valhalla’s value classes are set to be the biggest upgrade since Java 8, giving you lightweight, immutable objects that ditch boxing overhead, slash memory usage, and unlock fresh JVM optimization tricks.

In this hands-on session, Remi Forax and Clément de Tast use weather data to show you what makes value classes tick, how they differ from regular classes, and how they smoothly integrate with records, generics, and collections—plus migration tips for your existing codebase.

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