Scala环境配置

 

下载https://www.scala-lang.org/download/scala-2.12.8.tgz并解压

修改~/.bashrc

export SCALA_HOME=~/soft/scala-2.12.8
export PATH=$PATH:$JAVA_HOME/bin:$SCALA_HOME/bin

编写源代码文件HelloWorld.scala

object HelloWorld {
    def main(args: Array[String]): Unit = {
        println("Hello, world!")
    }
}

 

hadoop@muhe221:~/test/1$ scalac HelloWorld.scala
hadoop@muhe221:~/test/1$ ls
HelloWorld.class  HelloWorld$.class  HelloWorld.scala
hadoop@muhe221:~/test/1$ scala HelloWorld
Hello, world!