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Technology3h 32m ago
Java Enhancement Proposal 401, introducing value classes and objects, will be integrated into the OpenJDK mainline early next month targeting JDK 28.
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Open JDK
Who
Lois Foltan, Brian Goetz
What
Java Enhancement Proposal 401, introducing value classes and objects, will be integrated into the OpenJDK mainline early next month targeting JDK 28.
When
Mon, 15 Jun 2026 18:01:00 GMT · 3h 32m ago
Where
Open JDK ·
Why
This change is part of Project Valhalla, a long-running effort to address one of Java’s oldest performance limitations by removing object identity from Java types.
The Frontline Impact
How this affects you
This fundamental change to Java's object handling, after a decade of development, aims to improve performance and memory efficiency, affecting millions of developers worldwide as it becomes a core part of future Java applications, though it will require significant adaptation and understanding of deliberate breaking changes.
Story chain
3 events in this thread- Technology3h 32m agoJava Enhancement Proposal 401 (JEP 401), which introduces value classes and objects, will be integrated into the OpenJDK mainline early next month targeting JDK 28.Open article
- Currently Reading3h 32m agoJava Enhancement Proposal 401, introducing value classes and objects, will be integrated into the OpenJDK mainline early next month targeting JDK 28.
- Technology3h 32m agoJava Enhancement Proposal 401 (JEP 401), which brings value classes to the language, will be integrated into the OpenJDK mainline early next month targeting JDK 28.Open article