Java developers have spent decades working with a basic assumption about objects: every object has its own identity. Now, OpenJDK developers are preparing to loosen that rule with JDK 28.

JEP 401, integrated into JDK 28, introduces value objects. These new class instances feature final fields, altered behavior ...

OpenJDK proposals would introduce value objects, primitive objects, and unify basic primitives with objects, so that all Java values will be objects. OpenJDK’s Project Valhalla, which explores ...

Three Oracle engineers have submitted a formal thesis of proposed enhancements to the Java Virtual Machine and Java language to support small, immutable value types. “The goal of this effort is to ...