Singletons, AppDelegates and top-level data.

Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. If you require only a single instance of an object in your application, where should it go? How should you control and manage it? Here are some different appr

[KatagiriSo]

AppDelegateを便利なSingletonとして使わない、Singletonは必要な物以外は作らない。またSigletonは他のプログラムとのつながりを０にする。

[korinchan]

アプリケーションデリゲートの参照の仕方とシングルトンの作り方

[ntaku]

グローバル変数について