阅读c++代码输出（）
class base1{
private: int a,b;
public:
base1 ( int i ) : b(i+1),a(b){}
base1():b(0),a(b){}
int get_a(){return a;}
int get_b(){return b;}
};
int main()
{
base1 obj1(11);
cout<<obj1.get_a()<<endl<<obj1.get_b()<<endl;
return 0;
} 
