├── CALinkedLists ├── CALinkedLists.csproj └── Program.cs ├── CAHashSetsandSortedSets ├── CAHashSetsandSortedSets.csproj └── Program.cs ├── LinkedListAndHashsets.sln └── .gitignore /CALinkedLists/CALinkedLists.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net5.0 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /CAHashSetsandSortedSets/CAHashSetsandSortedSets.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net5.0 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /LinkedListAndHashsets.sln: -------------------------------------------------------------------------------- 1 | 2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.31424.327 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CALinkedLists", "CALinkedLists\CALinkedLists.csproj", "{2341F54F-397E-4C94-9392-13AE7125E6C2}" 7 | EndProject 8 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CAHashSetsandSortedSets", "CAHashSetsandSortedSets\CAHashSetsandSortedSets.csproj", "{4DA6D7EE-BBDB-4656-84DE-EEF659868C3E}" 9 | EndProject 10 | Global 11 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 12 | Debug|Any CPU = Debug|Any CPU 13 | Release|Any CPU = Release|Any CPU 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {2341F54F-397E-4C94-9392-13AE7125E6C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 17 | {2341F54F-397E-4C94-9392-13AE7125E6C2}.Debug|Any CPU.Build.0 = Debug|Any CPU 18 | {2341F54F-397E-4C94-9392-13AE7125E6C2}.Release|Any CPU.ActiveCfg = Release|Any CPU 19 | {2341F54F-397E-4C94-9392-13AE7125E6C2}.Release|Any CPU.Build.0 = Release|Any CPU 20 | {4DA6D7EE-BBDB-4656-84DE-EEF659868C3E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 21 | {4DA6D7EE-BBDB-4656-84DE-EEF659868C3E}.Debug|Any CPU.Build.0 = Debug|Any CPU 22 | {4DA6D7EE-BBDB-4656-84DE-EEF659868C3E}.Release|Any CPU.ActiveCfg = Release|Any CPU 23 | {4DA6D7EE-BBDB-4656-84DE-EEF659868C3E}.Release|Any CPU.Build.0 = Release|Any CPU 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | GlobalSection(ExtensibilityGlobals) = postSolution 29 | SolutionGuid = {2D6DDD0B-258F-4DCD-9847-0A29B9FA050D} 30 | EndGlobalSection 31 | EndGlobal 32 | -------------------------------------------------------------------------------- /CALinkedLists/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace CALinkedLists 5 | { 6 | class Program 7 | { 8 | static void Main(string[] args) 9 | { 10 | var lesson1 = new YTVideo { Id = "YTV1", Title = "Variables", Duration = new TimeSpan(00, 30, 00) }; 11 | var lesson2 = new YTVideo { Id = "YTV2", Title = "Classes and Strcts", Duration = new TimeSpan(01, 20, 00) }; 12 | var lesson3 = new YTVideo { Id = "YTV3", Title = "Expressions", Duration = new TimeSpan(00, 45, 00) }; 13 | var lesson4 = new YTVideo { Id = "YTV4", Title = "Iterations", Duration = new TimeSpan(01, 10, 00) }; 14 | var lesson5 = new YTVideo { Id = "YTV5", Title = "Generics", Duration = new TimeSpan(00, 20, 00) }; 15 | 16 | //LinkedList playlist = new LinkedList(new YTVideo[] { 17 | // lesson1, 18 | // lesson2, 19 | // lesson3, 20 | // lesson4, 21 | // lesson5 22 | //}); 23 | 24 | LinkedList playlist = new LinkedList(); 25 | playlist.AddFirst(lesson1); 26 | 27 | playlist.AddAfter(playlist.First, lesson2); 28 | var node3 = new LinkedListNode(lesson3); 29 | playlist.AddAfter(playlist.First.Next, node3); 30 | playlist.AddBefore(playlist.Last, lesson4); 31 | 32 | playlist.AddLast(lesson5); 33 | Print("C# from zero to hero", playlist); 34 | Console.ReadKey(); 35 | } 36 | 37 | static void Print(string title, LinkedList playlist) 38 | { 39 | Console.WriteLine($"┌{title}"); 40 | foreach (var item in playlist) 41 | Console.WriteLine(item); 42 | Console.WriteLine($"└"); 43 | Console.WriteLine($"Total: {playlist.Count} item(s)"); 44 | 45 | } 46 | } 47 | 48 | class YTVideo 49 | { 50 | public string Id { get; set; } 51 | public string Title { get; set; } 52 | public TimeSpan Duration { get; set; } // HH:MM:SS 53 | 54 | public override string ToString() 55 | { 56 | // C# Variables (00:30:00) 57 | // https://www.youtube.com/watch?v=d6EpL33g9tg 58 | return $"├── {Title} ({Duration})\n│\thttps://www.youtube.com/watch?v={Id}"; 59 | } 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /CAHashSetsandSortedSets/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace CAHashSetsandSortedSets 5 | { 6 | class Program 7 | { 8 | static void Main(string[] args) 9 | { 10 | var customers = new List 11 | { 12 | new Customer { Name = "Issam A", Telephone = "+1 123 123 4565" }, 13 | new Customer { Name = "Reem S", Telephone = "+1 123 123 4566" }, 14 | new Customer { Name = "Issam B", Telephone = "+1 123 123 4567" }, 15 | new Customer { Name = "Abeer A", Telephone = "+1 123 123 4568" }, 16 | new Customer { Name = "Salem D", Telephone = "+1 123 123 4569" } 17 | 18 | }; 19 | 20 | Console.WriteLine("Hashset"); 21 | Console.WriteLine("-------"); 22 | 23 | 24 | 25 | var custhashSet1 = new HashSet(customers); 26 | 27 | var customers2 = new List 28 | { 29 | new Customer { Name = "Essam A", Telephone = "+1 123 123 4533" }, 30 | new Customer { Name = "Rim S", Telephone = "+1 123 123 4554" } 31 | 32 | }; 33 | 34 | var custhashSet2 = new HashSet(customers2); 35 | 36 | custhashSet1.UnionWith(custhashSet2); 37 | 38 | foreach (var item in custhashSet1) Console.WriteLine(item); 39 | 40 | Console.WriteLine("SortedSet"); 41 | Console.WriteLine("-------"); 42 | 43 | var customerSortedSet = new SortedSet(customers); 44 | customerSortedSet.Add(new Customer { Name = "Baker S", Telephone = "+1 123 123 3354" }); 45 | foreach (var item in customerSortedSet) Console.WriteLine(item); 46 | 47 | Console.ReadKey(); 48 | } 49 | } 50 | 51 | class Customer : IComparable 52 | { 53 | public string Name { get; set; } 54 | public string Telephone { get; set; } 55 | 56 | public override int GetHashCode() 57 | { 58 | var hash = 17; 59 | hash = hash * 397 + Telephone.GetHashCode(); 60 | return hash; 61 | } 62 | 63 | public override bool Equals(object obj) 64 | { 65 | var customer = obj as Customer; 66 | 67 | if (customer is null) 68 | return false; 69 | 70 | return this.Telephone.Equals(customer.Telephone); 71 | } 72 | 73 | public override string ToString() 74 | { 75 | return $"{Name} ({Telephone})"; 76 | } 77 | 78 | public int CompareTo(Customer other) 79 | { 80 | if (object.ReferenceEquals(this, other)) 81 | return 0; 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