Two OpenJDK draft proposals would enhance the expressiveness of pattern matching in Java and boost data-oriented queries, potentially previewing in Java 17.

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers ...

Furthermore, the update seeks to rectify the exclusion of primitive type patterns in the pattern matching for instanceof and switch, which had limited Java's expressiveness.