factory pattern
factory (object-oriented programming)
/suto3/google.iconfactory pattern
/suto3/Google画像検索.iconfactory pattern
/suto3/Google定義検索.icon factory pattern
/suto3/wikipedia.iconfactory pattern
/suto3/weblio.icon factory pattern
/suto3/kotobank.icon factory pattern
/suto3/jisho.icon factory pattern