多态初步

人：（理发师）（医生）（演员）

1 public class Doctor:Person
2     {
3        public override void Cut()
4        {
5            Console.WriteLine("医生的Cut");
6           
7        }
8     }//医生类

public class Hairdresser:Person
    {
        public override void Cut()
        {
            Console.WriteLine("理发师的Cut");

        }
    }//理发师

1  public class Person
2     {
3         public virtual void Cut()
4         {
5             Console.WriteLine("父类的cut方法");
6         }
7     }

1 public class Actor:Person
2     {
3         public override void Cut()
4         {
5             Console.WriteLine("演员的Cut");
6         }
7     }

 1  static void Main(string[] args)
 2         {
 3            
 4             List<Person> list =new List<Person>()
 5             {
 6                 new Hairdresser(),
 7                 new Doctor(),
 8                 new Actor()
 9             };
10 
11 
12             foreach (Person person in list)
13             {
14                 person.Cut();
15             }
16             Console.ReadKey();
17         }