C enums 🪐

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http://youtube.com/watch?v=3p0OJErAbEI

C# enums tutorial example explained • #C# #enum #tutorial • using System; • namespace MyFirstProgram • { • class Program • { • static void Main(string[] args) • { • // enums = special class that contains a set of named integer constants. • // Use enums when you have values that you know will not change, • // To get the integer value from an item, you must explicitly convert to an int • // name = integer • //Console.WriteLine(Planets.Mercury + is planet # + (int)Planets.Mercury); • //Console.WriteLine(Planets.Pluto + is planet # + (int)Planets.Pluto); • String name = PlanetRadius.Earth.ToString(); • int radius = (int)PlanetRadius.Earth; • double volume = Volume(PlanetRadius.Earth); • Console.WriteLine( planet: + name); • Console.WriteLine( radius: + radius + km ); • Console.WriteLine( volume: + volume + km^3 ); • Console.ReadKey(); • } • public static double Volume(PlanetRadius radius) • { • double volume = (4.0 / 3.0) * Math.PI * Math.Pow((int)radius, 3); • return volume; • } • } • enum Planets • { • Mercury = 1, • Venus = 2, • Earth = 3, • Mars = 4, • Jupiter = 5, • Saturn = 6, • Uranus = 7, • Neptune = 8, • Pluto = 9 • } • enum PlanetRadius • { • Mercury = 2439, • Venus = 6051, • Earth = 6371, • Mars = 3389, • Jupiter = 69911, • Saturn = 58232, • Uranus = 25362, • Neptune = 24622, • Pluto = 1188 • } • }

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