接口示例

using System;

namespace ConsoleApp1 {     class Program     {         static void Main(string[] args)         {             //接口             // Console.WriteLine("Hello World!");             UseName us = new UseName();             us.GetNames("Xuan666");         }             }     public interface GetName     {         void GetNames(string name);

    }     public class UseName:GetName     {         public string DateA;         public void GetNames(string str)         {             DateA = str;             Console.WriteLine(DateA);                      }     } }