polymorphism.cpp

#include <iostream>
using namespace std;

class Shape{ //base class || class abstract
    protected:
    int width;
    int heigh;

    public:
    Shape(int heigh, int width){ //constructor
        this->width = width;
        this->heigh = heigh;
    }

    virtual int area() = 0; //pure virtual function

};

class Triangle : public Shape{ //derived class
    private:
    int alas;

    public:
    Triangle(int heigh, int alas):Shape(heigh, 0){ //member initializer
        this->alas = alas;
        this->heigh = heigh;
    }

    //override
     int area(){
        cout << "ini class tr" << endl;
        return (alas * heigh) / 2;
    }
};

class Kerucut : public Shape{
    private:
    int r;

    public:
    Kerucut(int heigh, int r):Shape(heigh, 0){
        this->r = r;
        this->heigh = heigh;
    }

    //override
     int area(){
        cout << "ini class kr" << endl;
        return heigh * r /2;
    }
};

int main(){
    Shape *tr = new Triangle(3, 8);
    cout << tr->area();

    delete tr;

}

berbagiIlmu = new ShodaqohJariahGenerator(ikhlas);