いろいろ
[code lang=text] scala> val testList = List("aaa","bbb","ccc") testList: List[String] = List(aaa, bbb, ccc)
scala> testList.mkString(",") res2: String = aaa,bbb,ccc [/code]
[code lang=text] scala> val erioList = List(List("denpa","otoko"),List("seisyun","onnna")) erioList: List[List[String]] = List(List(denpa, otoko), List(seisyun, onnna))
scala> erioList.mkString(",") res7: String = List(denpa, otoko),List(seisyun, onnna)
scala> erioList(0) res8: List[String] = List(denpa, otoko)
scala> erioList(0).mkString(",") res9: String = denpa,otoko [/code]
[code lang=text] scala> case class Setting(name: String, data: String) defined class Setting
scala> val denpaList = List(Setting("erio","denpa"),Setting("meme","mama")) denpaList: List[Setting] = List(Setting(erio,denpa), Setting(meme,mama))
scala> denpaList(0).name res15: String = erio
scala> denpaList.map(_.name) res16: List[String] = List(erio, meme) [/code]
