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程式設計概念-設計模式-原型模式

程式設計概念
設計模式
原型模式

原型模式多用於需要大量建置的時候,此時就可以用複製原型的方式進行,因為實作物件需要很大的成本。
此外複製分成淺層複製、深層複製,淺層複製在改變複製物件的值的時候,會連賴影響原來的物件的值,深層複製則不會。

而一般在實作新的物件的目的是為了有新的物件,所以一般都使用深層複製,而使用時機就是生成物件成本很高的時候,基本上成本高的概念一般不會在記憶體上,而是在傳輸上或是CPU在跑建構式的時候,傳輸上只是在第一次生成之後,傳輸的是生成信號。


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