• C#练习笔记4:枚举和数组练习


      枚举的意义,位标志,Flags,实现和比较。数组的分类,主要练习矩形数组和交错数组

      

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    
    namespace ConsoleApplication7
    {
        class Program
        {
            static void Main(string[] args)
            {
    
                //枚举
                Console.WriteLine("枚举:");
                MyEnum me1 = MyEnum.red;
                MyEnum me2 = MyEnum.green;
    
    
                //位运算
                MyEnum me = me1 | me2;
           //可以进行与,或运算等
                MyEnum mea = MyEnum.red | MyEnum.green;
                Console.WriteLine(mea.GetType());
    
                Console.WriteLine( mea.HasFlag(me));//是否包含me里面的所有枚举
                Console.WriteLine(mea==me);
                Console.WriteLine((int)mea);
                Console.WriteLine(me);
                Console.WriteLine((int)me);
                Console.WriteLine();
                //数组,
                Console.WriteLine("数组:");
                int[][,] ay = new int[2][,];
                ay[0] = new int[,]
                {
                    {5,60},
                    {6,32 }
                };
                ay[1] = new int[,]
                {
                    {65,5,6},
                    {4,3 ,5}
                };
    
                Console.WriteLine("第一个数组:");
                for (int i = 0; i < ay.Length; i++)
                {
                    for (int j = 0; j < ay[i].GetLength(0); j++)//这里获取的是ay[i]的第一维度的长度
                    {
                        for (int k = 0; k <ay[i].GetLength(1);k++)//这里获取的是第二维度的长度
                        {
                            Console.Write("ay[{0}][{1},{2}]={3}	",i,j,k,ay[i][j,k]);
                        }
                        Console.WriteLine();
                    }
                    Console.WriteLine();
                }
    
    
                Console.WriteLine("第二个数组:");
                int[][] array=new int[3][];
                array[0] = new int[] { 5,3};
                array[1] = new int[] { 5, 6, 9 };
                array[2] = new int[] { 6, 5, 9, 6 };
                Console.WriteLine(array.Length);
                for (int i = 0; i < array.Length; i++)
                {
                    for(int j=0;j<array[i].GetLength(0);j++)
                    {
                        Console.WriteLine("array[{0}][{1}]={2}	",i,j,array[i][j]);
                    }
                    Console.WriteLine();
                }
    
    
                Console.WriteLine("第三个数组:");
                int[][] arr = new int[2][]
                {
                    new int[]{6,5 },
                    new int[]{ 6,9,3}
                };
                for(int i=0;i<arr.Length;i++)
                {
                    for(int j=0;j<arr[i].GetLength(0);j++)
                    {
                        Console.WriteLine("arr[{0}][{1}]={2}	",i,j,arr[i][j]);
                    }
                    Console.WriteLine();
                }
    
    
                //矩形数组
                int[,] arry = new int[2, 3]
                {
                    {1,2,3 },
                    { 1,6,9},
                };
    
                Console.Read();
            }
        }
    
    
        //枚举
        [Flags]//位标志
         enum MyEnum:int
        {
            red=0x02,
            green=0x04,
            black=0x08
        }
    }

      运行结果:

      

      

  • 相关阅读:
    JStorm开发经验+运维经验总结
    Storm-166:Nimbus HA solution based on Zookeeper
    Storm实战集锦
    JStorm之Nimbus简介
    BF算法 + KMP算法
    分布式消息系统:Kafka
    分布式服务框架:Zookeeper简介
    修改JSONArray里所有key的值
    JQuery中$.ajax()方法参数详解
    java利用16进制来辨别png格式的图片
  • 原文地址:https://www.cnblogs.com/springword/p/6184746.html
Copyright © 2020-2023  润新知