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程式語言概念-設計模式-門面模式

程式語言概念
設計模式
門面模式

又稱外觀模式，是將已經設計好的許多類別，結合成一個介面供外部使用，概念相當簡單，像是遊戲的操作，也是這樣的概念，把各個子系統包到系統中，在統一一個介面進行操作。
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