ex0909.cpp

teach yourself C++ in 21 days 第五版

#include <iostream>
using namespace std;
class CAT
{
   public:
      CAT(int age) { itsAge = age; }
      ~CAT(){}
      int GetAge() const { return itsAge;}
   private:
      int itsAge;
};

CAT * MakeCat(int age);
int main()
{
   int age = 7;
   CAT * Boots = MakeCat(age);
   cout << "Boots is " << Boots->GetAge()
        << " years old" << endl;
   delete Boots;
   return 0;
}

CAT * MakeCat(int age)
{
   return new CAT(age);
}