安装scala.msi
https://blog.csdn.net/sinat_32867867/article/details/80305302
notepad++
object HelloScala{
def main(args:Array[String]){
println("hello scala,i love you!")
}
}
安装scala.msi
原文：https://www.cnblogs.com/feifeicui/p/10488730.html