Java SE

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)