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如何聲明一個變量 怎樣用Dim語句聲明變量?

怎樣用Dim語句聲明變量?Dim是定義一個變量,相當于關鍵字private。此外,還有一個公共關鍵字。定義變量的方法是:dim variable as variable type[dim的起源]。在b

怎樣用Dim語句聲明變量?

Dim是定義一個變量,相當于關鍵字private。此外,還有一個公共關鍵字。定義變量的方法是:dim variable as variable type[dim的起源]。在basic語言中,通過定義數(shù)組的大小,可以使用dim。英文全名是dimension,中文意思是size。

在VB中,擴展名dim用來定義變量

Python沒有私有變量,任何定義的變量都可以直接調用,但一般來說,在定義的變量前后加兩個下劃線,并將這些變量作為私有變量處理,如以下代碼所示:

class person:defuuuuu inituuuuu(self):self.uuuu privateuuuuuu=100p=person()print(“uuuuu privateuuuuuuuuuuuuuuuuu:”,p.uuuuu privateuuuuuuuu)print(“p contains variables:”,(P)輸入:輸出:輸出:輸出:本公司的私營私營部門:100p包含變量:100p包含的輸出:輸出:輸出:輸出:輸出:輸出:輸出:輸出:輸出:輸出:輸出:輸出:100 P包含變量:包括“uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu100p包含變量:[“uuuuclass class classu ”、“ uuuuuclass class class class classu ”、、“ uuuuuuDELuuuuuuuuuclassclass”、“、、、、、““uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuclassclassclassclassclassuuuuuuuu“,”初始化“,”樂“,”lt“,”模塊“,”模塊目前,中國的經濟UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU““““““““““,,,,,,,,,,,,,,,““““““它自己。它們對其他類實例不可見或不可用,反射除外