macOS 10.13中安装jre及jdk 9.0

2.安装jre
下载地址：　https://java.com/zh_CN/download/
软件包　jre-9.0.4_osx-x64_bin.dmg，直接双击加载安装即可.
　安装路径：　/Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/
　测试运行：
　> /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java -version
java version "9.0.4"
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)

3.安装jdk
下载地址：同上。
软件包：　jdk-9.0.4_osx-x64_bin.dmg，双击加载安装。
安装路径：　/Library/Java/JavaVirtualMachines/jdk-9.0.4.jdk/Contents/Home/
测试运行：

java -version
java version "9.0.4"
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)

macOS 10.13中安装jre及jdk 9.0

原文：http://blog.51cto.com/12671652/2087114