use java8 for travisCI

holgerbrandl · holgerbrandl · commit b201ebe69c4e · 2017-05-02T16:31:36.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,6 @@
 language: java
+jdk:
+  - oraclejdk8
 
 ## https://docs.travis-ci.com/user/languages/java
 ## http://stackoverflow.com/questions/20707017/how-to-run-junit-tests-with-gradle
