Implement Multiple Inheritance in C++ Programming
#include <iostream>
using namespace std;
class Area
{
public:
float area_calc(float l,float b)
{
return l*b;
}
};
class Perimeter
{
public:
float peri_calc(float l,float b)
{
return 2*(l+b);
}
};
/* Rectangle class is derived from classes Area and Perimeter. */
class Rectangle : private Area, private Perimeter
{
private:
float length, breadth;
public:
Rectangle() : length(0.0), breadth(0.0) { }
void get_data( )
{
cout<<"Enter length: ";
cin>>length;
cout<<"Enter breadth: ";
cin>>breadth;
}
float area_calc()
{
/* Calls area_calc() of class Area and returns it. */
return Area::area_calc(length,breadth);
}
float peri_calc()
{
/* Calls peri_calc() function of class Perimeter and returns it. */
return Perimeter::peri_calc(length,breadth);
}
};
int main()
{
Rectangle r;
r.get_data();
cout<<"Area = "<<r.area_calc();
cout<<"\nPerimeter = "<<r.peri_calc();
return 0;
}
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