下列类的定义中,有()处语法错误。class Base{publiC: Base(){}Base(int i){ data=i;}ptivate: int
下列类的定义中,有()处语法错误。 class Base { publiC: Base(){} Base(int i) { data=i; } ptivate: int data; }; class DeriVe:public Base { public: Derive():Base(0){} Derive(int x) { d=x; } void setvalue(int i) { data=i; } private: d; };
A.1
B.2
C.3
D.4