.NET深入 c#数据类型2

时间：2022-11-29 16:19:02
using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace SL1

{

    class Program

    {

        public struct Student

        {

            public int _id;

            public int _age;

            public void Show()

            {

                Console.WriteLine("ID:{0}\n年龄:{1}", _id, _age);

            }

        }

        static void Main(string[] args)

        {

            Student stu;

            stu._id = ;

            stu._age = ;

            stu.Show();

            //int[] infozhang = new int[] { 170, 60 };

            //int[] infoLi = new int[2];

            //Console.WriteLine("复制前-----李明德身高为:" + infozhang[0] + "体重是:" + infoLi[1]);

            //for (int i = 0; i < infozhang.Length;i++ )

            //{

            //    infoLi[i] = infozhang[i];

            //}

            //Console.WriteLine("去年张浩的身高为:" + infozhang[0] + "体重是:" + infozhang[1] + ",李明的身高为:" + infoLi[0] + "体重是:" + infoLi[1]);

            //infoLi[0] = 180;

            //infoLi[1] = 70;

            //Console.WriteLine("今年张浩的身高为:" + infozhang[0] + "体重是:" + infozhang[1] + ",李明的身高为:" + infoLi[0] + "体重是:" + infoLi[1]);

            //int[] infozhang = new int[] { 170,60};

            //int[] infoLi = infozhang;

            //Console.WriteLine("去年张浩的身高为:"+infozhang [0]+"体重是:"+infozhang [1]+",李明的身高为:"+infoLi[0]+"体重是:"+infoLi[1]);

            //infoLi [0]=180;

            //infozhang[1] = 70;

            //Console.WriteLine("今年张浩的身高为:" + infozhang[0] + "体重是:" + infozhang[1] + ",李明的身高为:" + infoLi[0] + "体重是:" + infoLi[1]);

            //int heightZhang = 170;

            //int heightli = heightZhang;

            //Console.WriteLine("去年李明的身高为:"+heightli +"去年张浩的身高为:"+heightZhang);

            //heightli = 180;

            //Console.WriteLine("今年李明的身高为:" + heightli + "今年张浩的身高为:" + heightZhang);

            Console.ReadLine();

        }

    }

}
using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Student

{

    class Program

    {

        static void Main(string[] args)

        {

            int[] points = new int[];

            int[] newpoints = new int[];

            Console.WriteLine("请输入5位会员的积分");

            for (int i = ; i < points.Length; i++)

            {

                Console.Write("第" + (i + ) + "位会员积分:");

                points[i] = Convert.ToInt32(Console.ReadLine());

            }

            for (int i = ; i < points.Length; i++)

            {

                newpoints[i] = points[i];

                newpoints[i] = newpoints[i] + ;

            }

            Console.WriteLine("\n序号  历史积分  新年积分");

            //省略代码循环输出两个年度的积分

            for (int i = ; i < points.Length;i++ )

            {

                Console.WriteLine("{0}\t{1}\t{2}",(i+),points[i] ,newpoints[i]);

            }

            Console.ReadLine();

            //int i = 123;

            //object o = i;

            //i = 456;

            //int i = 123;

            //object o = i;

            //int j=(int)o;

            //Console.WriteLine("值类型的值为:{0}",i);

            //Console.WriteLine("引用类型的值为:{0}",j);

            //Console.ReadLine();

        }

    }

}

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