list0904.cpp

teach yourself C++ in 21 days 第五版

// Listing 9.4 - References to class objects
  
#include <iostream>
  
class SimpleCat
{
 public:
    SimpleCat (int age, int weight);
    ~SimpleCat() {}
    int GetAge() { return itsAge; }
    int GetWeight() { return itsWeight; }
  private:
    int itsAge;
    int itsWeight;
};
  
SimpleCat::SimpleCat(int age, int weight)
{
   itsAge = age;
   itsWeight = weight;
}
  
int main()
{
   SimpleCat Frisky(5,8);
   SimpleCat & rCat = Frisky;
  
   std::cout << "Frisky is: ";
   std::cout << Frisky.GetAge() << " years old." << std::endl;
   std::cout << "And Frisky weighs: ";
   std::cout << rCat.GetWeight() << " pounds." << std::endl;
   return 0;
}