#include<iostream>
using namespace std;
class A
{
public:
int i=10;
void display()
{
cout<<"i in class A ="<<i <<endl;
}
};
class B:A // Here Class B inherits class A
{
public:
int j=20;
void show()
{
cout<<"i=" <<i << "j="<<j; // i is inherited from A class.
}
};
int main()
{
A a1;
a1.display();
B b1;
b1.show();
return 0;
}