Program To Remove The Problems of Function Overloading

#include<iostream.h>

#include<conio.h>

template<class T>

class add

{

private:

T a;

public:

       void getdatab(T x)

{

 a=x;

}

void displayb()

{

cout<<"a="<<a;

}

};

template<class T>

class sub : public add <T>

{

private:

T b;

public:

       void getdatad(T y)

{

 b=y;

}

void displayd()

{

cout<<"\n b="<<b;

}

};

void main()

{

sub <int> a1;

clrscr();

a1.getdatab(4);

a1.displayb();

a1.getdatad(6);

a1.displayd();

getch();

}