2008-03-26 クラス定数 ruby class Hoge HOGE_FUGA = "mogemoge" def hoge HOGE_FUGA end end class Moge < Hoge end hoge = Hoge.new hoge.hoge Hoge::HOGE_FUGA Moge::HOGE_FUGA ↓ "mogemoge" "mogemoge" "mogemoge"