Revision_Notes [QP2-1][UML class diagram]

//pastebin.com/u/thewhitefang
//revision class UML
//Question P2-1 solution

#include <iostream>

using namespace std;

class Info
{
public:
    int m_X;
    int m_Y;
};

//interface class
class ICalculator
{
public:
     virtual int Calculate(Info input)=0;
};

class Adder : public ICalculator{
public:
    int Calculate(Info input)
    {
        int temp;
        temp = input.m_X + input.m_Y;
        return temp;
    }

};

class Multiplier : public ICalculator{
public:
    int Calculate(Info input)
    {
        int temp;
        temp = input.m_X*input.m_Y;
        return temp;

    }

};

class Problem
{
private:
    Info m_Param;
    ICalculator* m_pCalculator;

public:
    void SetAttributes(Info inParam)
    {
        m_Param = inParam;
    }

    void SetCalculator(ICalculator* pIn)
    {
        m_pCalculator = pIn;
    }

    int Calculate()
    {
        return m_pCalculator->Calculate(m_Param);

    }
};



int main(){

    Info obj;
    Problem obj2;

    /*int x, y;
    cout << "Enter X value";
    cin >> x;
    cout << "Enter Y value: ";
    cin >> y;*/

    obj.m_X = 10;
    obj.m_Y = 33;

    obj2.SetAttributes(obj);//2


    ICalculator *pObj = new Adder();
    obj2.SetCalculator(pObj);


    cout << "Addition Result: "<<obj2.Calculate() <<endl;

    delete pObj;

    pObj = new Multiplier();
    obj2.SetCalculator(pObj);

    cout << "Multiplication Result: "<<obj2.Calculate() <<endl;

    delete pObj;





    return 0;
}