Mac/インストール/java

JavaDeveloperKit(JDK) 8インストール

$ brew cask install java
$ /usr/libexec/java_home -V
Matching Java Virtual Machines (2):
   10.0.1, x86_64:	"Java SE 10.0.1"	/Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home
   1.8.0_171, x86_64:	"Java SE 8"	/Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home

/Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home
$ vi ~/.bash_profile
export JAVA_HOME=`/usr/libexec/java_home -v 1.8`
$ source ~/.bash_profile
$ java -version
java version "1.8.0_171"

参考：https://qiita.com/yanap/items/186d5bd1118f68f725d8