update oraclejdk 8 to 11

nov · nov · commit 5325db34154b · 2019-06-27T18:16:48.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,4 +8,4 @@ rvm:
   - 2.5.1
 
 jdk:
-  - oraclejdk8
+  - oraclejdk11
