C:UsersAdmin>java -version openjdk version "11.0.15" 2022-04-19 LTS OpenJDK Runtime Environment Corretto-11.0.15.9.1 (build 11.0.15+9-LTS) OpenJDK 64-Bit Server VM Corretto-11.0.15.9.1 (build 11.0.15+9-LTS, mixed mode)scala下载
scala下载地址
进入版本选择，选择2.12.x spark 依赖scala的版本 scala配置环境变量(省略 和java一样) cmd测试scala安装scala，cmd命令报错：此时不应有 scalabin..libjline-2.14.6.jar 查看scala安装路径是否有空格，切换至无空格路径scala搭建成功的效果
C:UsersAdmin>scala Welcome to Scala 2.12.15 (OpenJDK 64-Bit Server VM, Java 11.0.15). Type in expressions for evaluation. Or try :help.
