c++學習memo

原創 akai_cn 2020-07-01 13:24

變量作用域

外部變量 或者 靜態變量 不初始化也有 默認值。

變量類別：

自動類變量，寄存器變量(register)

外部類變量(extern)

靜態類變量(static)

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