#include<iostream.h> class A // 父类A { public: A(int x, int y) : a(x), b(y) { cout<<"Address of object A: "<<this<<endl; } //private: int a; int b; }; class B:public A // 子类B { public: B(int x, int y, int m, int n) : A(x,y), a(m), b(n) { cout<<"Address of object B: "<<this<<endl; } //private: int a; int b; }; void main() { A a(10,20); cout<<a.a<<""<<a.b<<endl; B b(1,2,3,4); cout<<sizeof(a)<<""<<sizeof(b)<<endl; cout<<b.a<<""<<b.b<<endl; cout<<b.A::a<<""<<b.A::b<<endl; //access class A's member data overrided in class B }
运行结果:
Address of object A: 0x0012FF78
10 20 Address of object A: 0x0012FF68
Address of object B: 0x0012FF68 8 16
3 4
1 2
posted on
2008-03-06 13:21jcsu
阅读(1263)
评论(0)
编辑收藏举报