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Tag: JEP 401

Java Project Valhalla value classes diagram showing memory flattening and scalarization in JDK 28 - blue and white tech visualization

Programming Languages

Java Project Valhalla Lands in JDK 28: Value Classes Arrive

JEP 401 ships in JDK 28 after 12 years. Java value classes cut boxing overhead ...

July 16, 2026

Java Project Valhalla JEP 401 value classes memory layout diagram showing flat contiguous arrays versus scattered heap pointers

Programming Languages

Java Project Valhalla Lands in JDK 28: What JEP 401 Changes

After 12 years, JEP 401 value classes are headed to JDK 28. Here is what ...

June 19, 2026