[問題] 先繼承後實作
有一個介面a和類別b
我想要test類別去繼承和實作
(public class test extends b implements a)
為什麼順序一定要先繼承才能實作呢??
如果可以先實作再繼承 這樣會有什麼問題嗎???
(public class test implements a extends b)
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