Since src/main/java9 isn’t normally considered a source directory you should be able to work with Java 7 as well. It will just ignore the Java 9 files.
Ralph > On May 21, 2017, at 5:50 AM, Gary Gregory <garydgreg...@gmail.com> wrote: > > I set the JRE for that project to Java 9. I do not think you can set the > JRE per source folder, only per project. > > Gary > > On May 21, 2017 1:29 AM, "Ralph Goers" <ralph.go...@dslextreme.com> wrote: > > I’ve modified the build to put the Java 9 classes of the API into a > separate source directory. Can you see if that helps things in Eclipse? > > Ralph
