多版本环境管理工具sdkman

一个管理多个sdk版本的工具，支持Java、Scala、Flink、Spark、Hadoop、Maven、Sbt等

sdkman可用于Mac, Linux, WSL, Cygwin, Solaris 和FreeBSD

终端运行以下命令

curl -s "https://get.sdkman.io" | bash
source "$HOME/.sdkman/bin/sdkman-init.sh"
sdk version

出现如上结果，即代表安装成功。

终端输入sdk，可以查看使用说明

Usage: sdk  [candidate] [version]
       sdk offline 

   commands:
       install   or i     [version] [local-path]
       uninstall or rm    
       list      or ls   [candidate]
       use       or u     
       config
       default   or d     [version]
       home      or h     
       env       or e    [init|install|clear]
       current   or c    [candidate]
       upgrade   or ug   [candidate]
       version   or v
       broadcast or b
       help
       offline           [enable|disable]
       selfupdate        [force]
       update
       flush             [archives|tmp|broadcast|metadata|version]

   candidate  :  the SDK to install: groovy, scala, grails, gradle, kotlin, etc.
                 use list command for comprehensive list of candidates
                 eg: $ sdk list
   version    :  where optional, defaults to latest stable if not provided
                 eg: $ sdk install groovy
   local-path :  optional path to an existing local installation
                 eg: $ sdk install groovy 2.4.13-local /opt/groovy-2.4.13