#include <iostream>
using namespace std;
class A {
public:
int val;
A(int v):val(v){};
A()
{
val=123;
}
A &GetObj()//返回對(duì)象自己
{
return *this;
}
};
int main()
{
int m,n;
A a;
cout << a.val << endl;
while(cin >> m >> n) {
a.GetObj() = m;
cout << a.val << endl;
a.GetObj()= A(n);
cout << a.val<< endl;
}
return 0;
}
運(yùn)行結(jié)果
返回什么好
