QtDesignPatterns/templatepattern/interface.h

#include <iostream>
using namespace std;

class Game
{
public:
    Game(){}
    virtual ~Game(){}
    virtual void initialize() = 0;
    virtual void startPlay() = 0;
    virtual void endPlay() = 0;
    virtual void play() final
    {
        initialize();
        startPlay();
        endPlay();
    }
};

class Cricket : public Game
{
public:
    void initialize()
    {
        cout << "Cricket Game Initialized Start playing" << endl;
    }
    void startPlay()
    {
        cout << "Cricket Game Started Enjoy the game" << endl;
    }
    void endPlay()
    {
        cout << "Cricket Game Finished" << endl;
    }
};

class Football : public Game
{
public:
    void initialize()
    {
        cout << "Football Game Initialized Start playing" << endl;
    }
    void startPlay()
    {
        cout << "Football Game Started Enjoy the game" << endl;
    }
    void endPlay()
    {
        cout << "Football Game Finished" << endl;
    }
};