P64_GuardedPatternsSwitch2

Adding guarded pattern labels in switch:

Provide a brief coverage of guarded pattern labels in switch for JDK 17 and 21.

Name		Name	Last commit message	Last commit date
parent directory ..
src/main/java/modern/challenge		src/main/java/modern/challenge
README.md		README.md
pom.xml		pom.xml