//win 10 64位电脑测试 c# 10 .net core 6 Console.WriteLine("Hello from a Top Level Program!"); Console.WriteLine(Environment.OSVersion.VersionString); Console.WriteLine(Environment.Version.Build.ToString()); Console.WriteLine(Environment.Version.Revision.ToString()); Console.WriteLine(Environment.Version.Major.ToString()); Console.WriteLine(Environment.Version.Minor.ToString()); Console.WriteLine(Environment.OSVersion.Version.Build.ToString()); Console.WriteLine(Environment.OSVersion.Version.Major.ToString()); Console.WriteLine(Environment.OSVersion.Version.Minor.ToString()); Console.WriteLine(Environment.OSVersion.Platform.ToString()); /** * //win 10 64位电脑测试 输出: Hello from a Top Level Program! Microsoft Windows NT 10.0.19044.0 10 -1 6 0 19044 10 0 Win32NT */
using System.Collections.Immutable; using static System.Console; WorkingWithLists(); //WorkingWithDictionaries(); // WorkingWithQueues(); // WorkingWithPriorityQueues(); ///<summary> ///输出 /// </summary> static void Output(string title, IEnumerable<string> collection) { WriteLine(title); foreach (string item in collection) { WriteLine($" {item}"); } } ///<summary> /// /// </summary> static void WorkingWithLists() { // Simple syntax for creating a list and adding three items List<string> cities = new(); cities.Add("London"); cities.Add("Paris"); cities.Add("Milan"); cities.Add("Peiking"); cities.Add("伦敦"); cities.Add("巴黎"); cities.Add("米兰"); cities.Add("北京"); /* Alternative syntax that is converted by the compiler into the three Add method calls above List<string> cities = new() { "London", "Paris", "Milan" }; */ /* Alternative syntax that passes an array of string values to AddRange method List<string> cities = new(); cities.AddRange(new[] { "London", "Paris", "Milan" }); */ Output("Initial list", cities); WriteLine($"The first city is {cities[0]}."); WriteLine($"The last city is {cities[cities.Count - 1]}."); //插入 cities.Insert(0, "悉尼"); Output("After inserting Sydney at index 0", cities); //移除 cities.RemoveAt(1); cities.Remove("Milan"); Output("After removing two cities", cities); // Using immutable collections ImmutableList<string> immutableCities = cities.ToImmutableList(); ImmutableList<string> newList = immutableCities.Add("Rio"); Output("Immutable list of cities:", immutableCities); Output("New list of cities:", newList); }
标签:core,Console,Detection,Platform,Add,ToString,WriteLine,cities,Environment From: https://www.cnblogs.com/geovindu/p/16800689.html