Andreas Dangel 5209a1280d [java] Promote "JEP 409: Sealed Classes" for Java 17 ...

"JEP 409: Sealed Classes" is now a permanent language
feature with Java 17.

2021-07-01 10:39:49 +02:00

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Java.jjt

[java] Promote "JEP 409: Sealed Classes" for Java 17

2021-07-01 10:39:49 +02:00