add [openjdk11] to Travis build matrix

Sean Sullivan · sullis · commit 0fe280f90581 · 2019-01-12T10:56:50.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 language: java
 jdk:
   - oraclejdk8
+  - openjdk11
 sudo: true
 dist: precise
 install: /bin/true
