use java 8 in travis config

lukeis · lukeis · commit 95c6ee0ea145 · 2016-06-06T15:29:16.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,9 @@
 language: java
 sudo: false
 
+jdk:
+  - oraclejdk8
+
 notifications:
   email: false
   irc:
