Using bit fields. : enum « Data Type « C++

Home
C++
1.Bitset
2.Class
3.Console
4.Data Structure
5.Data Type
6.Deque
7.Development
8.File
9.Function
10.Generic
11.Language
12.List
13.Map Multimap
14.Overload
15.Pointer
16.Qt
17.Queue Stack
18.Set Multiset
19.STL Algorithms Binary search
20.STL Algorithms Heap
21.STL Algorithms Helper
22.STL Algorithms Iterator
23.STL Algorithms Merge
24.STL Algorithms Min Max
25.STL Algorithms Modifying sequence operations
26.STL Algorithms Non modifying sequence operations
27.STL Algorithms Sorting
28.STL Basics
29.String
30.Valarray
31.Vector
C / ANSI-C
C Tutorial
C++ Tutorial
Visual C++ .NET
C++ » Data Type » enumScreenshots 
Using bit fields.
  
#include <iostream>
#include <string.h>
using namespace std;

enum STATUS FullTime, PartTime ;
enum GRADLEVEL UnderGrad, Grad ;
enum HOUSING Dorm, OffCampus };
enum FOODPLAN OneMeal, AllMeals, WeekEnds, NoMeals };

class student
{
 public:
 student():
     myStatus(FullTime),
     myGradLevel(UnderGrad),
     myHousing(Dorm),
     myFoodPlan(NoMeals)
     {}
     ~student(){}
     STATUS GetStatus();
     void SetStatus(STATUS);
     unsigned GetPlan() { return myFoodPlan; }

 private:
    unsigned myStatus : 1;
    unsigned myGradLevel: 1;
    unsigned myHousing : 1;
    unsigned myFoodPlan : 2;
 };

 STATUS student::GetStatus()
 {
    if (myStatus)
       return FullTime;
    else
       return PartTime;
 }
 void student::SetStatus(STATUS theStatus)
 {
    myStatus = theStatus;
 }


 int main()
 {
    student Jim;

    if (Jim.GetStatus()== PartTime)
       cout << "Jim is part time" << endl;
    else
       cout << "Jim is full time" << endl;

    Jim.SetStatus(PartTime);

    if (Jim.GetStatus())
       cout << "Jim is part time" << endl;
    else
       cout << "Jim is full time" << endl;

    cout << "Jim is on the " ;

    char Plan[80];
    switch (Jim.GetPlan())
    {
       case  OneMeal: strcpy(Plan,"One meal")break;
       case  AllMeals: strcpy(Plan,"All meals")break;
       case WeekEnds: strcpy(Plan,"Weekend meals")break;
       case NoMeals: strcpy(Plan,"No Meals");break;
       default : cout << "Something bad went wrong!\n"break;
    }
    cout << Plan << " food plan." << endl;
  return 0;
}
  
    
  
Related examples in the same category
1.Using consts and enums in Arrays
2.demonstrates enum types
3.demonstrates enums, counts words in phrase
4.demonstrates enumerations
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.