using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 面向对象{    //创建person类    public class person    {           //Fields：字段        private string _name;        private int _age;        private char _gender;        //Properties：属性        public string Name        {            get { return this._name; }  //获取属性值时，调用get方法            set { this._name = value; } //给属性赋值时，调用set方法        }        public int Age        {            get { return this._age; }            // 对set属性进行限定            set             {                if (value < 0 || value > 100)                {                    value = 0;                }                 this._age = value;            }        }        public char Gender        {            //对get属性进行限定            get            {                if (_gender != '男' && _gender != '女')                {                    return _gender = '男';                }                else                {                    return _gender;                }            }                       set { _gender = value; }        }               //Methods：方法 （行为）        public void CHLSS()             {            Console.WriteLine            ("我叫{0}，我今年{1}岁了，我是{2}生，我可以吃喝拉撒睡呦~~",             this.Name,this.Age,this.Gender);        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 面向对象{    class Program    {        static void Main(string[] args)        {            //创建person类的对象            person Lucy = new person();            Lucy.Name = "露西";            Lucy.Age = -23;            Lucy.Gender = '春';            Lucy.CHLSS();            Console.ReadLine();        }    }}