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2014/02/26

[Objective-C] 繼承，延用即有功能 - inheritance


idea...



嗯，現在的iPad只能透過wifi上網，現在我要加上3G上網打電話的功能，這要如何作到?! 難到我要重新設計一個新的iPad嗎?! 原先作好的功能，如：開關機、播影片不就要重作一次?
我是類別class，
您可以透過繼承的方式，
繼承現有iPad的功能，
而後在加上您所需的功3G上網功能就可以了。


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