The method of combining any two or more forms of inheritance in single form is called hybrid inheritance.
Program:
/*PROGRAM TO IMPLEMENT HYBRID INHERITANCE*/
#include<conio.h>
#include<iostream.h>
class base
{
int a;
public:
base()
{
cout<<“Enter a: “;
cin>>a;
}
int show()
{
cout<<“a = “<<a<<endl;
return(a);
}
~base()
{
cout<<“Destructor of base class is executed”<<endl;
}
};
class derived1:public base
{
int b;
public:
derived1():base()
{
cout<<“Enter b: “;
cin>>b;
}
int show1()
{
cout<<“b = “<<b<<endl;
return(b);
}
~derived1()
{
cout<<“Destructor of derived1 class is
executed”<<endl;
}
};
class derived2:public derived1
{
int a,b,c,sum;
public:
derived2():derived1()
{
cout<<“Enter c: “;
cin>>c;
}
void show2()
{
a=show();
b=show1();
cout<<“c = “<<c<<endl;
sum=a+b+c;
cout<<“Sum of given numbers: “<<sum<<endl;
}
~derived2()
{
cout<<“Destructor of derived2 class is
executed”<<endl;
}
};
class derived3:public derived1
{
int a,b,c,sum;
public:
derived3():derived1()
{
cout<<“Enter c: “;
cin>>c;
};
void show3()
{
cout<<“c = “<<c<<endl;
a=show();
b=show1();
sum=a+b+c;
cout<<“Sum of given numbers: “<<sum<<endl;
}
~derived3()
{
cout<<“Destructor of derived3 class is
executed”<<endl;
}
};
void main()
{
clrscr();
cout<<“Getting data for first object”<<endl;
{
derived3 d3;
d3.show3();
}
cout<<“Enter data for second object”<<endl;
{
derived2 d2;
d2.show2();
}
getch();
}