tutorial 9

//tutorial 9

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;

class IGeometricCalc{
public:
    virtual void SetGeometricAttributes(float side1, float side2, float radius) = 0;
    virtual float CalculateSurfaceArea() = 0;
    virtual float CalculateVolume() = 0;

};

class CubeGeometricCalc : public IGeometricCalc{

private:
    float side;
    float area;
    float volume;

public:
    virtual void SetGeometricAttributes(float side1, float side2, float radius)
    {
        side = side1;
    }

    virtual float CalculateSurfaceArea() {

        area = 6 * pow(side, 2);

        return area;

    }

    virtual float CalculateVolume() {
        volume = side*side*side;
        return volume;
    }


};
class SphereGeometricCalc: public IGeometricCalc{

private:
    float area;
    float volume;
    float rad;

public:
    virtual void SetGeometricAttributes(float side1, float side2, float radius){

        rad = radius;
    }

    virtual float CalculateSurfaceArea() {

        area = 4 * 3.1415*rad *rad;

        return area;

    }
    virtual float CalculateVolume() {
        volume = (4.0 / 3.0)*3.1415 *rad*rad*rad;
        return volume;
    }

};
class CylinderGeometricCalc : public IGeometricCalc{


private:
    float area;
    float volume;
    float rad;
    float h;

public:
    virtual void SetGeometricAttributes(float side1, float side2, float radius){

        rad = radius;
        h = side1;
    }

    virtual float CalculateSurfaceArea() {

        area = (2 * 3.1415*rad *h)+ (2 * 3.1415*rad *rad);

        return area;

    }
    virtual float CalculateVolume() {
        volume = 3.1415 *rad*rad*h;
        return volume;
    }


};

int main(){
    float areacube;
    float volumecube;
    float areasphere;
    float volumesphere;
    float areacyl;
    float volumecyl;



    IGeometricCalc *pcube = new CubeGeometricCalc();
    pcube->SetGeometricAttributes(3, 4, 5);
    areacube=pcube->CalculateSurfaceArea();
    cout << "area cube  :" << areacube << endl;
    volumecube=pcube->CalculateVolume();
    cout << "volume cube  :" << volumecube << endl;


    IGeometricCalc *psphere = new SphereGeometricCalc();
    psphere->SetGeometricAttributes(3, 4, 5);
    areasphere = psphere->CalculateSurfaceArea();
    cout << "area sphere  :" << areasphere << endl;
    volumesphere = psphere->CalculateVolume();
    cout << "volume sphere  :" << volumesphere << endl;



    IGeometricCalc *pcyl = new CylinderGeometricCalc();
    pcyl->SetGeometricAttributes(3, 4, 5);
    areacyl = pcyl->CalculateSurfaceArea();
    cout << "area cyl  :" << areacyl << endl;
    volumecyl = pcyl->CalculateVolume();
    cout << "volume cyl  :" << volumecyl << endl;



    delete pcube;
    delete pcyl;
    delete psphere;
    return 0;
}


#include <iostream>
#include <string>
#include <iomanip>
using namespace std;

class IStudent{

public:
    virtual void SetName(string &studentName) = 0;
    virtual void SetId(unsigned long studentId)=0;
    virtual void SetMajor(string &studentMajor) = 0;
    virtual void PrintDetails() =0;

};
class Undergraduate :public IStudent{
private:

    string name;
    string major;
    unsigned long id;


public:
    virtual void SetName(string &studentName) {

        name = studentName;
    }
    virtual void SetId(unsigned long studentId) {
        id = studentId;

    }
    virtual void SetMajor(string &studentMajor) {
        major = studentMajor;

    }
    virtual void PrintDetails(){

        cout << "name" << name << endl;
        cout << "major" << major << endl;
        cout << "id" << id << endl;
    }

};


int main(){

    string name = "liyana";
    string major = "tele";
    IStudent *pstudent = new Undergraduate();
    pstudent->SetName(name);
    pstudent->SetMajor(major);
    pstudent->SetId(1112702565);
    pstudent->PrintDetails();
    delete pstudent;
    return 0;

}