# class initializer inheritance

- [兩階段初始化](/ios/swift/type/init/class/two-phase.md): Two-Phase Initialization
- [自動繼承初始化程序](/ios/swift/type/init/class/auto-inherit.md): Automatic Initializer Inheritance：🤔 一個子類別 (subclass) 何時會繼承母類別 (superclass) 的初始化程序❓
