Strategy

#include 

using namespace std;


//Behavior interface
class IBehavior
{
public:
  virtual string GetResponse(string szInput) = 0;
};

//strategies
class Asshole : public IBehavior
{
  string GetResponse(string szInput){
    return "*%&_%# you and the horse you rode in on!!\n";
  }
};

class Cool : public IBehavior
{
  string GetResponse(string szInput){
    return "I think your statement \"" + szInput + "\" is very interesting\n";
  }
};

class Shy : public IBehavior
{
  string GetResponse(string szInput){
    return "squeak\n";
  }
};

// user of strategies
class Person
{
public:
  string Respond(string szInput){
    return m_pBehavior->GetResponse(szInput);
  }

  IBehavior* m_pBehavior;
};



int main()
{
  cout << "Class: main, Method: main\n" << endl << endl;

  Person person1;
  person1.m_pBehavior = new Shy();

  Person person2;
  person2.m_pBehavior = new Cool();

  Person person3;
  person3.m_pBehavior = new Asshole();


  string szStatement = "its only photons hitting the eye";

  cout << szStatement << endl << endl;

  cout << person1.Respond(szStatement) << endl;
  cout << person2.Respond(szStatement) << endl;
  cout << person3.Respond(szStatement) << endl;

  cout << endl;
}