Scala Tutorialsを読む 22-3

http://scalatutorials.com/tour/interactive_tour_of_scala_arrays.html

Arrays are mutable (can't change it's size once created, but can modify it's elements)

配列は書き換え可能です(1度作ったらサイズは変更出来ない、しかし要素は変更出来る)