David
8
Q:

enum c#


// ---------------------- HOW TO USE ENUMS? ----------------------- //

// How to create?

public enum Colors   // It needs to be defined at the namespace level (outside any class)! 
{
	red = 1,
    green = 2,
    blue = 3,
    white = 4,
    black = 5

}

// How to get the values?

var itemRed = Colors.red;

Console.WriteLine((int)itemRed);  // Using casting to convert to int


// How to get the keys?

var itemX = 4;

Console.WriteLine((Colors)itemX);  // Using casting to convert to Colors
 

// How to convert enums to strings? 

var itemBlue = Colors.blue;

Console.WriteLine(itemBlue.ToString());


// How to convert strings to enums? 

var colorName = "green";

var enumName = (Colors)Enum.Parse(typeof(Colors), colorName);

Console.WriteLine(enumName);       // To see the key
Console.WriteLine((int)enumName);  // To see the value
 


2
enum Itemtype 
{
	Use,
    Loot,
    Equip,
    ETC
};
1
enum Season
{
    Spring,
    Summer,
    Autumn,
    Winter
}
5
enum Season
{
    Spring,
    Summer,
    Autumn,
    Winter
}
0
enum cars
{
	Exit, // Default value = 0
	Racing, // Can set next value Racing = 3 then Military would be 4
	Military, 
	Trucks // Can set value to a character Trucks = 'a'
}

static void Main(string[] args)
{
  Console.WriteLine("1. Racing");
  Console.WriteLine("2. Military");
  Console.WriteLine("3. Trucks");
  Console.WriteLine("0. Exit");
  
  int option = int.Parse(Console.ReadLine());
  Menu choice = (Menu)option;

  switch (choice)
  {
      case Menu.Exit:
          break;
      case Menu.Racing:
      	//Console.Writeline("You selected Racing");
          break;
      case Menu.Military:
      	int myOption = (int) cars.Military;
  		Console.WriteLine(myOption);
      	//Output: 2
          break;
      case Menu.Trucks:
     	cars myVar = cars.Trucks;
    	Console.WriteLine(myVar);
        //Output: Trucks
          break;
  }
}
0
enum CellphoneBrand { 
        Samsung,
        Apple,
  		LG,
  		Nokia,
  		Huawei,
  		Motorola
    }
0
enum Level 
{
  Low,
  Medium,
  High
}
0
enum WeekDays
{
    Monday = 0,
    Tuesday =1,
    Wednesday = 2,
    Thursday = 3,
    Friday = 4,
    Saturday =5,
    Sunday = 6
}

Console.WriteLine(WeekDays.Friday);
Console.WriteLine((int)WeekDays.Friday);
0

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