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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                >#### 11.全局變量和局部變量的區別 ~~~ 全局變量(在堆內存中):包含成員變量和靜態變量,在類下面直接定義,有默認初始值 int 是0,double 是0.0 String類型是null Boolean類型是false 局部變量(在棧內存中):定義在方法內部的變量,只能在方法中訪問該變量, 沒有初始值,要賦值后才能使用 注意:全局變量的局部變量可以同名,優先賦值給它最近的變量 ~~~
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