using System; public class Test { private class PeopleInfo_Correct{ private string name; public PeopleInfo_Correct(string name){ this.name = name; } public string Name {get{return name;}} } private class PeopleInfo_Wrong{ private string name; public PeopleInfo_Wrong(string name){ // this.name = name; } public string Name {get{return name;}} } public static void Main() { PeopleInfo_Correct pi_c = new PeopleInfo_Correct("p1"); PeopleInfo_Wrong pi_w = new PeopleInfo_Wrong("p2"); Console.WriteLine("pi_c.Name: \"" + pi_c.Name + "\""); Console.WriteLine("pi_w.Name: \"" + pi_w.Name + "\""); } }