using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace trainProject

{

    public class Student

    {

        public string Name { get; set; }

        public int Age { get; set; }

        public char Sex { get; set; }

        public string Id { get; set; }

        public Student(string id, string name, int age, char sex)

        {

            this.Id = id;

            this.Name = name;

            this.Age = age;

            this.Sex = sex;

        }

　　　　 
　　     
　　　　 //this ：调用本类的其他构造函数

        public Student(string id, string name)

            : this(id, name, , '')

        {

        }

        public Student(string id, string name, int age)

            : this(id, name, age, '')

        {

        }

        //析构函数  释放资源

        ~Student()

        {

            Console.WriteLine("析构函数");

        }

    }

}