Factory pattern

Question

Hi What is Factory Pattern anyone know could you explain in simple with real time example.... Thank you

Vivek Kumar · Answer

Have a look into the below links. This is explained in detailed with real time example. http://www.c-sharpcorner.com/article/factory-method-design-pattern-in-c-sharp/ http://www.dofactory.com/net/factory-method-design-pattern http://www.dotnettricks.com/learn/designpatterns/factory-method-design-pattern-dotnet

Vijay Kumar · Answer

enum FanType { TableFan CeilingFan ExhaustFan } interface IFan { void SwitchOn(); void SwitchOff(); } class TableFan : IFan {.... } class CeilingFan : IFan {.... } class ExhaustFan : IFan {..... } interface IFanFactory { IFan CreateFan(FanType type); } class FanFactory : IFanFactory { public IFan CreateFan(FanType type) { switch (type) { case FanType.TableFan: return new TableFan(); case FanType.CeilingFan: return new CeilingFan(); case FanType.ExhaustFan: return new ExhaustFan(); default : return new TableFan(); } } } // The client code is as follows: static void Main(string[] args) { IFanFactory simpleFactory = new FanFactory(); // Creation of a Fan using Simple Factory IFan fan = simpleFactory.CreateFan(FanType.TableFan); // Use created object fan.SwitchOn(); Console.ReadLine(); }