classes within classes

#include<iostream> using namespace std; class hi { private: int i; public: void setdata() { i=50; } void show() { cout<<endl<<i; } }; class car { private: int j; public: void setdata() { j=30; } void show() { cout<<endl<<j; } hi c; }; int main() { car h; h.setdata(); h.show(); h.c.setdata(); h.c.show(); return 0; }