【STEP3】run（実行）する : Scalaでコードを書く ref: http://qiita.com/yukinagae/items/a5e5ef37e5a9cf765d55

file0.txt

cd [プロジェクトのルートディレクトリ]

file1.txt

activator.bat

file10.txt

[info] Running com.example.Hello
Aloha, world!
[success] Total time: 0 s, completed 2015/02/22 14:19:00
1. Waiting for source changes... (press enter to interrupt)

file11.txt

[info] Compiling 1 Scala source to /Applications/eclipse/workspace/minimal-scala/target/scala-2.11/classes...
[info] Running com.example.Hello
Bye, world!
[success] Total time: 4 s, completed 2015/02/22 14:20:00
2. Waiting for source changes... (press enter to interrupt)

file12.txt

[info] Compiling 1 Scala source to /Applications/eclipse/workspace/minimal-scala/target/scala-2.11/classes...
[info] Running com.example.Hello
Bye, world!
[success] Total time: 4 s, completed 2015/02/22 14:20:00
2. Waiting for source changes... (press enter to interrupt)

file2.txt

./activator

file3.txt

> run

file4.txt

[info] Running com.example.Hello
Hello, world!
[success] Total time: 0 s, completed 2015/02/22 14:16:00
> 

file6.txt

> run

file7.txt

> run

file8.txt

[info] Running com.example.Hello
Aloha, world!
[success] Total time: 0 s, completed 2015/02/22 14:18:00
> 

file9.txt

> ~run

Hello.scala

package com.example

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