安装(Ubuntu)
$ sudo apt install zip
$ sudo apt install unzip
$ curl -s “https://get.sdkman.io” | bash
$ source “/home/xiaoma/.sdkman/bin/sdkman-init.sh”
$ sdk version
$ sdk help
$ sdk list
安装Java
$ sdk list java

sdk install java xxxx

$ sdk install java 8.0.212-zulu
$ java -version
$ sdk list java
$ sdk install java 11.0.3-amzn
$ java -version
$ sdk list java
$ sdk default java 8.0.212-zulu
$ java -version
$ sdk install java 12.0.1-zulu
$ java -version
$ sdk list java
$ sdk current
安装Kotlin
$ sdk list kotlin
$ sdk install kotlin
$ sdk list kotlin
$ kotlin -version
$ sdk current
卸载Java11
$ sdk list java
$ sdk uninstall java 11.0.3-amzn
$ sdk list java
$ sdk current
SDKMAN新版本更新
$ sdk selfupdate