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若有以下程序:include using namespace std;class myClass{private: int var;public:

若有以下程序: #include <iostream> using namespace std; class myClass { private: int var; public: myClass(int i) { var=i; } void add() { s+=var; } static int s; void display() { cout<<s<<end1; } }; int myClass::s=0; int main ( ) { myClass a(1),b(2),c(3); a.add(); b.add(); c.dislay(); return O; } 程序执行后的输出结果是( )。

A.1

B.4

C.3

D.7


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更多 “ 若有以下程序:include using namespace std;class myClass{private: int var;public: 若有以下程序: #include <iostream> using namespace std; class myClass { private: int var; public: myClass(int i) { var=i; } void add() { s+=var; } static int s; void display() { cout<<s<<end1; } }; int myClass::s=0; int main ( ) { myClass a(1),b(2),c(3); a.add(); b.add(); c.dislay(); return O; } 程序执行后的输出结果是( )。A.1B.4C.3D.7 ” 相关考题
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