nested class in c++
#include<iostream>
using namespace std;
class A {
public:
class B {
private:
int num;
public:
void getdata(int n) {
num = n;
}
void putdata() {
cout<<"The number is "<<num;
}
};
};
int main() {
cout<<"Nested classes in C++"<< endl;
A :: B obj;
obj.getdata(9);
obj.putdata();
return 0;
}