Use Java 8 on Travis as the samples now require it

wilkinsona · wilkinsona · commit f7d2bafb3ed2 · 2015-10-09T13:18:29.000+01:00
Commit 09395f9 updated the samples to require Java 8. This commit updates the Travis configuration to build with Java 8. Closes gh-4133
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,6 @@
 language: java
+jdk:
+  - oraclejdk8
 services: mongodb
 sudo: false
 install: true
