Simple Factory design mode

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Text;5 usingSystem.Threading.Tasks;6 7 namespace_03 Simple Factory design mode8 {9     class ProgramTen     { One         Static voidMain (string[] args) A         { -Console.WriteLine ("Please enter the notebook brand you want"); -             stringBrand =console.readline (); theNoteBook NB =Getnotebook (brand); - nb. SayHello (); - Console.readkey (); -         } +  -  +         /// <summary> A         ///the core of a simple factory assigns a value to the parent class based on the user's input at         /// </summary> -         /// <param name= "brand" ></param> -         /// <returns></returns> -          Public StaticNoteBook Getnotebook (stringbrand) -         { -NoteBook NB =NULL; in             Switch(Brand) -             { to                  Case "Lenovo": NB =NewLenovo (); +                      Break; -                  Case "IBM": NB =NewIBM (); the                      Break; *                  Case "Acer": NB =NewAcer (); $                      Break;Panax Notoginseng                  Case "Dell": NB =NewDell (); -                      Break; the             } +             returnnb; A         } the     } +  -      Public Abstract classNoteBook $     { $          Public Abstract voidSayHello (); -     } -  the      Public classLenovo:notebook -     {Wuyi          Public Override voidSayHello () the         { -Console.WriteLine ("I'm a Lenovo notebook, and you don't think about it."); Wu         } -     } About  $  -      Public classAcer:notebook -     { -          Public Override voidSayHello () A         { +Console.WriteLine ("I am the Hongji notebook"); the         } -     } $  the      Public classDell:notebook the     { the          Public Override voidSayHello () the         { -Console.WriteLine ("I'm a Dell laptop ."); in         } the     } the  About      Public classIbm:notebook the     { the          Public Override voidSayHello () the         { +Console.WriteLine ("I am an IBM notebook"); -         } the     }Bayi}

Simple Factory design mode