Add jdk9 to Travis

gourlaysama · gourlaysama · commit 352b02c1c781 · 2018-02-06T19:22:24.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -31,6 +31,7 @@ addons:
 jdk:
   - openjdk6
   - oraclejdk8
+  - oraclejdk9
 
 notifications:
   email:
