[单选题]

下面程序的输出结果是includeclass example{ int a;public: example(int b){a=b£«£«;

下面程序的输出结果是 #include<iostream.h> class example { int a; public: example(int b){a=b++;} void print(){a=a+1; cout<<a<<" ";} void print()const{cout<<a<<" ";} }; void main() { example x(3); const example y(2); x.print(); y.print(); }

A.2 2

B.4 3

C.4 2

D.3 2

参考答案与解析:

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下面程序的输出结果是#includeclass example{ int a;p