dayenum.cpp

本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向对象机制为主。学习者在学习过程中可以通过大量的程序实例和相关练习

// dayenum.cpp
// demonstrates enum types
#include <iostream>
using namespace std;
                              //specify enum type
enum days_of_week { Sun, Mon, Tue, Wed, Thu, Fri, Sat };

int main()
   {
   days_of_week day1, day2;   //define variables
                              //of type days_of_week
   day1 = Mon;                //give values to
   day2 = Thu;                //variables

   int diff = day2 - day1;    //can do integer arithmetic
   cout << "Days between = " << diff << endl;

   if(day1 < day2)            //can do comparisons
      cout << "day1 comes before day2\n";
   return 0;
   }