Mac 安装 JDK1.8

1. 下载安装 JDK 1.8

https://www.oracle.com/java/technologies/downloads/#java8-mac

2. 配置环境变量

#JDK 1.8
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-1.8.jdk/Contents/Home

3. 执行

source ~/.zshrc

4. 验证

java -version