Program for Single Inheritance Using OOPs & C++ concept

#include<iostream.h>
#include<conio.h>
class base
{
int a;
public:
void fungeta()
{
a=10;
}
void funputa()
{
cout<<"A::"<<a;
}
};
class derived:public base
{
int b;
public:
void fungetb()
{
fungeta();
b=20;
}
void funputb()
{
funputa();
cout<<"B::"<<b;
}
};
void main()
{
clrscr();
derived d;
d.fungetb();
d.funputb();
getche();
}