~/talk

Value Types Aren't ℂomplex

TalkinFrenchat Devoxx France 2026 · 2026-04-22..04-24· [java]
github:forax
slides:none on file

Introduces Java value classes from Project Valhalla and explains how they create immutable, high-performance objects with lower memory use. Uses Mandelbrot fractal examples and live coding to show differences from traditional Java classes, how they cut allocations, and enable new JVM optimizations.

AI-written summary · about

  1. 0:00Introduction
  2. 3:55Cost of abstractions in Java
  3. 7:09Valhalla project origins
  4. 11:07Classes vs primitive types
  5. 15:41Value Classes overview
  6. 22:22Value Classes benefits
  7. 23:25Value object properties
  8. 28:24Strict initialization
  9. 33:18Impact on existing JDK
  10. 36:29Memory optimization with value arrays
  11. 41:09Value Classes constraints
  12. 43:15Advanced memory optimizations demo
  13. 44:38Conclusion
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