Scoped Values is now in JDK 21 as a Preview Feature. Alongside Virtual Threads and Structured Concurrency, Scoped Values add to the growing list of enhancements to Java and Project Loom.

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 ...

Startup times for Java applications would be improved through a proposed API for stable values, which are objects that hold immutable data. An OpenJDK Java Enhancement Proposal (JEP) for a preview ...

First off, Java starts the coordinate (0,0) at the top left corner, with the positive Y axis going down, and the positive X axis going right.

Value-capable types are ordinary Java classes that the JVM can use to generate a value type. If value types are not enabled, then the value-capable type is just an ordinary class.