C#_IComparableインスタンス-オブジェクトIDのソート

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;



namespace ComparableTest

{

    class Program

    {

        class Employee : IComparable<Employee>

        {

            private int empID;



            public Employee(int empID)

            {

                this.empID = empID;

            }



            public override string ToString()

            {

                return empID.ToString();

            }



            public bool Equals(Employee other)

            {

                if (this.empID == other.empID)

                {

                    return true;

                }

                else

                {

                    return false;

                }

            }



            public int CompareTo(Employee rhs)

            {

                return this.empID.CompareTo(rhs.empID);

            }

        }





        static void Main(string[] args)

        {

            List<Employee> le = new List<Employee>();

            Random random = new Random();



            for (int i = 0; i < 5;i++ )

            {

                le.Add(new Employee(random.Next(10)+100));

            }



            for (int i = 0; i<le.Count; i++)

            {

                Console.Write(le[i].ToString()+",");

            }



            Console.WriteLine();

            Console.WriteLine("after sort");



            le.Sort();

            for (int i = 0; i < le.Count; i++)

            {

                Console.Write(le[i].ToString() + ",");

            }



            Console.ReadLine();

        }

    }

}