【单选题】有如下程序: #include <iostream> using namespace std; class Test { public: Test() {n+=2; } ~Test() {n-=3; } static int getNum() {return n; } private: static int n; }; int Test::n=1; int main() { Test* p=new...
【单选题】有下列程序: #include<iostream> using namespace Std class Test { public: Test() {n+=2} ~Test() {n-=3} static int getNum(){return n} private: static int n } int Test∷n=1 int main()