指出下面程序段中的错误的是 ______。class X{//Aint a,b;public:X(int aa,int bb) {a=aa; b=bb;}//B}:X x(2,3);//CX y(4); //D

指出下面程序段中的错误的是 ______。

class X{//A

int a,b;

public:

X(int aa,int bb) {a=aa; b=bb;}//B

}:

X x(2,3);//C

X y(4); //D


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