[英]How to initialize private variable in class in c++?
Error is: data member initializer is not allow 错误是: 不允许数据成员初始化程序
How to initialize private variable in class in c++? 如何在C ++中的类中初始化私有变量?
class CreditCard
{
public:
CreditCard();
CreditCard(int bc);
double getCredLimit();
double getBalDue();
int getAccNum();
double credAvailable();
int incre_Credit();
void trans1();
int cdInc();
bool addingChrg(double chrgAmt, const std::string& desc);
~CreditCard();
private:
int accNo;
bool err;
string mssg;
double dueAmt;
void wtStats();
void logFl(string qu);
string credName, credlastName;
double lim;
double bala = lim; //Here i getting error how to solve this
double payscale;
double chrg;
};
how to intialize private varable in class in c++; 如何在C ++中的类中初始化私有变量; and thanks in advance :)
并提前感谢:)
bala
is being initialized to lim
, but lim
is not initialized. bala
正在初始化为lim
,但是lim
没有初始化。 You need to initialize `lim' too. 您还需要初始化`lim'。 For example:
例如:
double lim = 0.0;
double bala = lim;
You should initialize all your members though. 不过,您应该初始化所有成员。 Currently, you don't seem to initialize any of them.
当前,您似乎没有初始化它们中的任何一个。
Initialize it within a constructor: 在构造函数中初始化它:
class CreditCard
{
public:
CreditCard() {
lim = -1;
bala = lim;
}
// rest of code
};
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