also Scala, which I'd take over Java any day

Ada might be getting pattern matching soon too:

https://github.com/AdaCore/ada-spark-rfcs/blob/master/protot...

There is no proper pattern matching / destructuring in either Java or Kotlin.

There is a discussion about it in Kotlin, see https://youtrack.jetbrains.com/issue/KT-186/Support-pattern-...