JDK在MAC系统的路径为:/Library/Java/JavaVirtualMachines
cd /Library/Java/JavaVirtualMachines
ls
jdk-11.0.8.jdk jdk1.8.0_311.jdk
配置多版本的切换
(1)修改全局环境变量
sudo vi ~/.bash_profile
#添加下面的代码
export JAVA_8_HOME="$(/usr/libexec/java_home -v 1.8)"
export JAVA_11_HOME="$(/usr/libexec/java_home -v 11)"
alias jdk8='export JAVA_HOME=$JAVA_8_HOME'
alias jdk11='export JAVA_HOME=$JAVA_11_HOME'
export JAVA_HOME=$JAVA_8_HOME
(2)保存退出
Esc + :wq
(3)激活环境变量
$ source ~/.bash_profile
(4)验证
wangxiaoer1@ZBMac-C02FX0LJM JavaVirtualMachines % java -version
java version "1.8.0_321"
Java(TM) SE Runtime Environment (build 1.8.0_321-b07)
Java HotSpot(TM) 64-Bit Server VM (build 25.321-b07, mixed mode)
wangxiaoer1@ZBMac-C02FX0LJM JavaVirtualMachines % jdk11
wangxiaoer1@ZBMac-C02FX0LJM JavaVirtualMachines %
wangxiaoer1@ZBMac-C02FX0LJM JavaVirtualMachines % java -version
java version "11.0.8" 2020-07-14 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.8+10-LTS)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.8+10-LTS, mixed mode)