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Nested Class In C++

A nested class is a class that is declared in another class. The nested class is also a member variable of the enclosing class and has the same access rights as the other members. However, the member functions of the enclosing class have no special access to the members of a nested class.

Fig: Nested Class In C++

Program:

#include<iostream.h>

#include<conio.h>

class emp;

class A

{

public:

class B

{

private:

int num;

public:

void get(int n)

{

num=n;

}

void put()

{

cout<<”the number is “<<endl;

}

};

};

void main()

{

cout<<”nested class in c++”<<endl;

A::B obj;

obj.get(9);

obj.put();

getch();

}

Output:

Nested class in c++

The number is 9