list0601.cpp

《21天学通C++》Teach Yourself C++ in 21 Days (Fourth Edition) 源代码

// Demonstrates declaration of a class and
// definition of an object of the class,
  
#include <iostream>   
  
class Cat               // declare the Cat class
{
  public:               // members which follow are public
    int itsAge;         // member variable
    int itsWeight;      // member variable
};         // note the semicolon
  
int main()
{
   Cat Frisky;
   Frisky.itsAge = 5;    // assign to the member variable
   std::cout << "Frisky is a cat who is " ;
   std::cout << Frisky.itsAge << " years old.\n";
   return 0;
}