If you want a deep-dive into the bytecode, there's a great article at: https://medium.com/@nataliiadziubenko/java-20-pattern-matching-for-switch-whats-under-th

If you want a deep-dive into the bytecode, there's a great article at: https://medium.com/@nataliiadziubenko/java-20-pattern-matching-for-switch-whats-under-the-hood-223a109f5e2f https://medium.com/@nataliiadziubenko/java-20-pattern-matchi... The tl;dr = no new intrinsics (for now), it uses table-switches and invokedynamic