重磅！關於爲什麼成員(內部)類不能擁有靜態字段，方法的問題。

搜索了很多資料，最後從stackOverflow看到了比較靠譜的解釋： "suppose there are two instances of outer class & they both have instantiated inner class.Now if inner class has one static member then it will keep only one copy o

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