.net 第二章上机练习

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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{    class Program    {        static void Main(string[] args)        {            int[] old =new int[5];            int[] New=new int[5];            Console.WriteLine("请输入五位会员的积分");            for (int i = 0; i < old.Length;i++ )            {                Console.WriteLine("第"+(i+1)+"位会员的积分");                old[i] = Convert.ToInt32(Console.ReadLine());            }            for (int i = 0; i < old.Length;i++ )            {                New[i] = old[i];                New[i] = New[i]+500;            }            Console.WriteLine("序号\t\t历史积分\t\t新年积分");            for (int i = 0; i < old.Length;i++ )            {                Console.WriteLine((i + 1) + "\t\t" + old[i] + "\t\t\t" + New[i]);            }            Console.WriteLine("按任意键继续。。。");            Console.ReadLine();        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 上机2{  public  class Computer    {      public string xinghao;      public int comID;      public string date;    }}using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 上机2{    class Program    {        static void Main(string[] args)        {           Computer computer = new Computer();            Computer[] com = new Computer[3];            com[0] = new Computer();            com[0].xinghao = "hpCQ-217TX";            com[0].date = "2013-10-5";            com[1] = new Computer();            com[1].xinghao = "Mc240CH/A";            com[1].date = "2013-10-5";            com[2] = new Computer();            com[2].xinghao = "SYNW18H/W";            com[2].date = "2013-10-5";            Console.WriteLine("===========设置计算机id前===========");            Console.WriteLine("计算机型号\t计算机id\t购买时间");            for (int i = 0; i < com.Length; i++)            {                Console.WriteLine(com[i].xinghao + "\t\t\t" + com[i].date);            }            Random ran = new Random();            com[0].comID = ran.Next(1000, 9999);            com[1].comID = ran.Next(1000, 9999);            com[2].comID = ran.Next(1000, 9999);            Console.WriteLine("===========设置计算机id后===========");            Console.WriteLine("计算机型号\t计算机id\t购买时间");            for (int i = 0; i < com.Length; i++)            {                Console.WriteLine(com[i].xinghao + "\t" + com[i].xinghao + "-" + com[i].comID + "\t" + com[i].date);            }            Console.ReadLine();        }    }}

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