text: #include <iostream>
  
  class SimpleCat
  {
  public:
      SimpleCat() { itsAge = 2; }
      ~SimpleCat() {}
      int GetAge() const { return itsAge; }
      void SetAge(int age) { itsAge = age; }
  private:
      int itsAge;
  };
    
  int main()
  {
      SimpleCat *Frisky = new SimpleCat;
      std::cout << "Frisky is " << Frisky->GetAge() 
                << " years old" << "\n";
  
      Frisky->SetAge(5);
      std::cout << "Frisky is " << Frisky->GetAge() 
                << " years old\n";
    
      delete Frisky;
      return 0;
  }
  