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QueenieCplusplus/Cplusplus_Object

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Cplusplus_Object

在 C++ 中,物件是?

物件是一塊(內含某型別數值)的記憶體 memory,其中型別可以是自定義 self-defined 也可以是標準函式庫的類別 class 和型別 Types,而變數是一個具名物件 object,其內含的數值 value ,就是依據型別來解釋的位元 bite。

Constant

具有數值 immutable 不可變的概念,意思即『保證不會變更數值』。

Mathematic Ops

X+=y

++X

X-=y

--X

X*=y

X/=y

X%=y

Comparison Ops

x==y

x!=y

x>=y

x<=y

Assign

指派即『型別之間做有意義的轉換』!

// 初始化記憶體(數值)予具名物件就是變數
double d = 1.5;

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在 C++ 中,物件是?

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