The future of Java looks a lot like Kotlin. Aside from value classes, all of the mentioned features are present in Kotlin:

- Data classes: https://kotlinlang.org/docs/reference/data-classes.html

- Type inference: https://kotlinlang.org/docs/reference/basic-types.html

- Switch as an expression: https://kotlinlang.org/docs/reference/control-flow.html#when...

- Destructuring: https://kotlinlang.org/docs/reference/multi-declarations.htm...