选择题
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 Test;
delete p;
cout<<'n='<<Test::getNum()<<endl;
return 0;
}
执行后的输出结果是______。