Updated the CI configuration.

odisseus · web-flow · commit b432049d4bb2 · 2020-06-09T19:38:23.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,5 @@
 language: java
 jdk:
-  - oraclejdk8
+  - openjdk9
+  - openjdk10
+  - openjdk11
