what is 繼承與派生

原創 Ziyang Luo 2020-02-21 17:43

what is 繼承與派生
1）類的繼承
新的類從已有的類得到已有的特性。

2）類的派生
保持原有類特性，已原有類爲基礎產生新的類的過程。

基類或父類<-派生類或子類

好處在於代碼的重用與可擴充性

Ziyang Luo
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