class MyBase{
int k;
public:
MyBase(int n=0):k(n){ }
int value( )const{ return k;}
};
class MyDerived: MyBase{
int j;
public:
MyDerived(int i): j(i) {}
int getK( )const{ return k; }
int getJ( )const{ return j; }
};
编译时发现有一处语法错误 , 对这个错误最准确的描述是
A. )函数 getK 试图访问基类的私有成员变量 k
B. ) 在类 MyDerived 的定义中,基类名 MyBase 前缺少关键字 public ,protected 或 private
C. )类 MyDerived 缺少一个无参的构造函数
D. )类 MyDerived 的构造函数没有对基类数据成员 k 进行初始化
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[单选题]有如下类定义: class MyBase { int k; public: MyBase(int n=0):k(n) { } int value( )const{ return k;} }; class MyDerived: MyBase { intj; public: MyDerived(int i): j(i) {} int getK( )const{ return k; } int getJ( )const{ return j; } }; 编译时发现有一处语法错误,对这个错误最准确的描述是
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