C # Video-virtual method, virtual

Note: the virtual and abstract methods cannot be declared as private.

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Text;5 usingSystem.Threading.Tasks;6 usingSystem.Collections;7 8 namespaceConsoleApplication19 {Ten  One     classEmployee A     { -         Private string_name; -  the          PublicEmployee (stringname) -         { -              This. _name =name; -         } +  -          Public stringName +         { A             Get at             { -                 return  This. _name; -             } -         } -  -          Public Virtual voidstartwork () in         { -Console.WriteLine ("{0} starts work.", This. _name); to         } +     } -  the     classManager:employee *     { $          PublicManager (stringName):Base(name)Panax Notoginseng         { -              the         } +  A          Public Override voidstartwork () the         { +Console.WriteLine ("{0} starts to Distrubit tasks",Base. Name); -         } $     } $  -     classSecretary:employee -     { the          PublicSecretary (stringname) -:Base(name)Wuyi         { the  -         } Wu  -          Public Override voidstartwork () About         { $Console.WriteLine ("{0} starts to help",Base. Name); -         } -     } -  A     classSeller:employee +     { the          PublicSeller (stringname) -:Base(name) $         { the  the         } the  the          Public Override voidstartwork () -         { inConsole.WriteLine ("{0} starts to sell",Base. Name); the         } the     } About  the     classAccountant:employee the     { the          PublicAccountant (stringname) +:Base(name) -         { the Bayi         } the  the          Public Override voidstartwork () -         { -Console.WriteLine ("{0} starts to compute",Base. Name); the         } the     } the  the     class Program -     { the         Static voidMain (string[] args) the         { theEmployee[] es =Newemployee[5];94  thees[0] =NewEmployee ("Tim"); thees[1] =NewManager ("Gan"); thees[2] =NewSecretary ("Kate");98es[3] =NewSeller ("Jim"); Aboutes[4] =NewAccountant ("Tata"); - 101             foreach(Employee Einches)102             {103 e.startwork ();104             } the 106 Console.readkey ();107         }108     }109}

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C # Video-virtual method, virtual