build: test on jdk9 and jdk11
@@ -13,6 +13,10 @@ matrix:
jdk: openjdk8
- os: linux
jdk: oraclejdk8
+ - os: linux
+ jdk: oraclejdk9
+ - os: linux
+ jdk: oraclejdk11
- os: osx
osx_image: xcode9.2
- os: windows
