language: java
addons:
  apt:
    packages:
      - openjdk-6-jdk
jdk:
  - openjdk7
  - openjdk6

language: java
addons:
  apt:
    packages:
      - openjdk-6-jdk
jdk:
  - oraclejdk9
  - oraclejdk8
  - openjdk7
  - openjdk6

Build with JDK 8 and 9
Build with JDK 8 and 9

Build on all currently available JDKs.
