>>608
カプセル化
https://v2c.mgmn.jp/wiki/?%E9%9D%9E%E5%85%AC%E9%96%8BJRE
JavaFX付きJava8
https://www.azul.com/downloads/?version=java-8-lts&package=jre-fx#zulu
または
https://bell-sw.com/pages/downloads/#jdk-8-lts　←Package:Full JREを選択