C# basic knowledge compilation: basic knowledge (1) Main method

A journey of a thousand miles begins with a single step. To master a certain skill, you must start with the most basic things. Review the past and learn the new. When you do a small thing in different situations and at different times, you can always get unexpected experiences and gains.
Then let’s start with the Main method first,

//using关键字在该处的作用是引入一个“外部程序集”，System是微软提供的.net平台最基本程序集，所有.net程序都必须引用该程序集。
using System;
//命名空间，允许一个类属于一个命名空间，也可以多个类同在一个命名空间；
//作用是，防止类名冲突，也就是说，不同的命名空间里可以有类名相同的类；当然在规范的代码里，命名空间可以组织类的层次，
//比如：公司名.项目名.模块名... 这样的层次，工程的层次一目了然。
namespace YYS.CSharpStudy.MainConsole
{
    //C#是纯面向对象的语言，类是所有代码的基础，class关键字可以定义一个类。
    class Program
    {
        //Main方法是项目启动的入口，程序从Main开始运行的。string[] args是控制台参数，由程序运行着从控制台传入。
        //标准写法如下。
        /// <summary>
        /// Main方法
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            Console.WriteLine("Hello,World!");

            Console.ReadKey();
        }
    }
}

Seeing this familiar Hello, World, can it bring back those years, those people, those World of Warcraft, those teachers, those computers... . ..Where are those good memories?

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