Valhalla’s solution: Value classes and primitive classes Project Valhalla attacks these three Java performance pain points at the root. The first and most fundamental concept is the value class .

OpenJDK’s Project Valhalla, which explores advanced Java language and JVM feature possibilities, is moving forward with a staged delivery of value objects, primitive objects, and unification of ...

Java currently supports only two types of value: primitives and object references. Project Valhalla extends this by introducing inline classes which are a new form of type that exhibit some ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...