JEP 502 introduces the Stable Values API in JDK 25, enhancing application startup performance by allowing deferred immutability. This feature enables thread-safe, at-most-once initialization of ...

A preview feature in Java is one that is not yet added permanently even though its design, specification, and implementation are complete. Presently Java has quite a few preview features in the ...

Stable values combine immutable state and flexible timing of initialization, enabling optimizations for user code previously available only to JDK code.