Support features of JDK 11+

**In general, Scala now works just fine on JDK 11** **For the current support status of each JDK version, see https://docs.scala-lang.org/overviews/jdk-compatibility/overview.html** [JDK9 JEP list](http://openjdk.java.net/projects/jdk9/) - [JEP 223: New Version-String Scheme](http://openjdk.java.net/jeps/223) - [x] Update our version parsing in `isJavaAtLeast` (and elsewhere?) https://github.com/scala/scala/pull/5276 - [JEP 220: Modular Run-Time Images](http://openjdk.java.net/jeps/220) (includes [SI-9103](https://issues.scala-lang.org/browse/SI-9103)) - [x] Adapt our classpath to use jrt:/ virtual filesystem. WIP [retronym:review/5112](https://github.com/scala/scala/compare/dd3fa5b...retronym:review/5112?expand=1) - [ ] Update Zinc to understand that `jrt://` classpath entries should have a timestamp based on the JDK (maybe `$JAVA_HOME/jmods/*.mod`? Find out exactly what file backs `jrt://`) - [ ] Adapt REPL `:javap` command (currently gets `IllegalArgumentException` in `JavapClass$JavapTool$.apply(JavapClass.scala:337)` - [JEP-261 Module System](http://openjdk.java.net/jeps/261) (https://github.com/scala/scala-dev/issues/529) - [ ] javac allows programmers to declare module requirements, exports inline in the sourcetree ("module-info.java" files). What should we do? - [ ] app class loader is no longer a URLClassloader. Lots of places enumerate the classpath for JARs to initialize settings for a compiler. Experiment, document. - [ ] Update classfile reader to

Posted by retronym on Apr 25, 2016, 5:38 AM

Tags

• support (SaaS)

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