Source of Java/Jigsaw

[[Java]] - [[Java9]]

- Prepare for Java 9 #jjug
--  https://www.slideshare.net/YujiKubota/java9-69782018

- 最近のProject Jigsaw の流れ：コミュニティ投票でNo (Public Review Ballot)
--  http://cco.hatenablog.jp/entry/2017/05/09/200517