!!!Java SE
[Java][SJC-P]

!!Java5
*SJC-P

!!Java7
*Java SE 7
!!Java8
*Java SE 8

!!!OpenJdk
!!Macにインストール
https://jdk.java.net/
*ダウンロードし解凍
  $ tar xvfz openjdk-12.0.1_osx-x64_bin.tar.gz 
*移動
 $ sudo mv jdk-12.0.1.jdk /Library/Java/JavaVirtualMachines/
*確認 
 $ /usr/libexec/java_home -v
 java_home: option requires an argument -- v
 /Library/Java/JavaVirtualMachines/jdk-12.0.1.jdk/Contents/Home
*バージョン指定
 $ export JAVA_HOME=`/usr/libexec/java_home -v 12.0.1`
*確認
 $ java -version
 openjdk version "12.0.1" 2019-04-16 
 OpenJDK Runtime Environment (build 12.0.1+12)
 OpenJDK 64-Bit Server VM (build 12.0.1+12, mixed mode, sharing)