#include
using namespace std;
class BaseClass {
int i, j;
public:
void set(int a, int b) {
i = a; j = b;
}
void show() {
cout << i << " " << j << "\n";
}
};
class DerivedClass : public BaseClass {
int k;
public:
DerivedClass(int x) {
k = x;
}
void showDerivedClass() {
cout << k << "\n";
}
// i = 10; // Error! i is private to BaseClass and access is not allowed.
};
int main()
{
DerivedClass ob(3);
ob.set(1, 2); // access member of base class
ob.show(); // access member of base class
ob.showDerivedClass(); // uses member of derived class
return 0;
}
1 2
3