sudo: false
language: java
jdk:
  - oraclejdk7
  - oraclejdk8
script: ./mvnw verify -B
cache:
  directories:
    - $HOME/.m2

sudo: false
language: java
jdk:
  - oraclejdk8
  - oraclejdk9
script: ./mvnw verify -B
cache:
  directories:
    - $HOME/.m2

Drop jdk7 for ci builds, enable jdk9
Drop jdk7 for ci builds, enable jdk9
