Trouble with switch rules on Java Maven [closed]

I dont know if this is dumb question, but how can I get rid off this error? I've been losing my mind over it.

Error print

Full code:

There are some Portuguese word here and there, I hope that doesn't make it difficult to understand

I've already changed my JDK version for one newer and did change for netbeans too but doesnt seem to helped me at all.