using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Model
{
    public class Dept
    {
        //这两个字段是私有的
        String deptId;
        String deptName;

        //方法是公开的
        public String DeptId
        {
            get { return deptId; }
            set { deptId = value; }
        }

        public String DeptName
        {
            get { return deptName; }
            set { deptName = value; }
        }
    }
}

Student类代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Model
{
    public class Student
    {
        String stuId;

        public String StuId
        {
            get { return stuId; }
            set { stuId = value; }
        }
        String stuName;

        public String StuName
        {
            get { return stuName; }
            set { stuName = value; }
        }
        String age;

        public String Age
        {
            get { return age; }
            set { age = value; }
        }
        String gender;

        public String Gender
        {
            get { return gender; }
            set { gender = value; }
        }

    }
}

C#三层架构之第二课