Mac 下安装Java
下载:https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

打开下载的文件,出现如下界面,然后双击图标安装

一直下一步即可


安装完后,打开命令行,输入
java -version
输出
java version "1.8.0_191" Java(TM) SE Runtime Environment (build 1.8.0_191-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
说明安装成功!

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