logic: extend language support to Java 12 (issue #752) (#844)

* update java indexer dependencies
* update java language support to java 12
* enable java preview features by default
* add test for Java 12 support
This commit is contained in:
Malte Langkabel
2019-12-10 15:02:59 +01:00
committed by GitHub
parent 097833beee
commit 732c389520
132 changed files with 259 additions and 590 deletions
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