#include<iostream>
using namespace std;
class Aa
{
public:
Aa(int i=0){a=i;cout<<"Constructor"<<a<<endl;}
~Aa(){cout<<"Destructor"<<a<<endl;}
void print(){cout<<a<<endl;}
private:
int a;
};
int main()
{
Aa a1(1);
a1.print();
return 0;
}
还有这里的private int a有什么作用?