C# 函数覆盖总结学习(推荐)

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace MethodOverrideByNew{  public enum Genders {     Female=0,    Male=1  }  public class Person {    protected string _name;    protected int _age;    protected Genders _gender;    /// <summary>    /// 父类构造函数    /// </summary>    public Person() {      this._name = "DefaultName";      this._age = 23;      this._gender = Genders.Male;    }    /// <summary>    /// 定义虚函数IntroduceMyself()    /// </summary>    public virtual void IntroduceMyself() {      System.Console.WriteLine("Person.IntroduceMyself()");    }    /// <summary>    /// 定义虚函数PrintName()    /// </summary>    public virtual void PrintName() {      System.Console.WriteLine("Person.PrintName()");    }  }  public class ChinesePerson :Person{    /// <summary>    /// 子类构造函数，指明从父类无参构造函数调用起    /// </summary>    public ChinesePerson() :base(){      this._name = "DefaultChineseName";    }    /// <summary>    /// 覆盖父类方法IntroduceMyself，使用new关键字修饰虚函数    /// </summary>    public new void IntroduceMyself() {      System.Console.WriteLine("ChinesePerson.IntroduceMyself()");    }    /// <summary>    /// 重载父类方法PrintName，使用override关键字修饰虚函数    /// </summary>    public override void PrintName(){      System.Console.WriteLine("ChinesePerson.PrintName()");          }  }  class Program  {    static void Main(string[] args)    {      //定义两个对象，一个父类对象，一个子类对象      Person aPerson = new ChinesePerson();      ChinesePerson cnPerson = new ChinesePerson();      //调用覆盖的方法，父类对象不能调用子类覆盖过的方法，只能调用自身的虚函数方法      aPerson.IntroduceMyself();         cnPerson.IntroduceMyself();      //调用重载方法，父类对象和子类对象都可以调用子类重载过后的方法      aPerson.PrintName();      cnPerson.PrintName();      System.Console.ReadLine();    }  }}