Mac set default java version

来自WHY42
/usr/libexec/java_home -V
export JAVA_HOME=`/usr/libexec/java_home -v 1.8.0_281`

然后修改～/.zshrc 

export JAVA_HOME=`/usr/libexec/java_home -v 1.8`
取自“https://riguz.com/index.php?title=Mac_set_default_java_version&oldid=4264”