Saturday, September 13, 2014

C++ Tutorial for Beginners 35 - Introduction to Polymorphism in C++




















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#include <iostream>
#include<string>
using namespace std;
class shape
{
   public:
    void setValues(int a ,int b){
     width=a;
     height=b;
    }
    protected:
    int height ;
    int width;
};
class rectangle : public shape
{
   public:
       int area(){
         return (height * width);
       }
};
class triangle : public shape
{
   public:
       int area(){
         return (height * width/2);
       }
};

int main()
{
    rectangle rec;
    triangle tri;
    shape *poly1=&rec;
    shape *poly2=&tri;
    poly1->setValues(10,20);
    poly2->setValues(10,20);

    std::cout<<rec.area()<<std::endl;
    std::cout<<tri.area()<<std::endl;
}












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