├── Arrays
    ├── Arrays.csproj
    └── Program.cs
├── LICENSE
└── .gitignore


/Arrays/Arrays.csproj:
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 1 | <Project Sdk="Microsoft.NET.Sdk">
 2 | 
 3 |   <PropertyGroup>
 4 |     <OutputType>Exe</OutputType>
 5 |     <TargetFramework>net6.0</TargetFramework>
 6 |     <ImplicitUsings>enable</ImplicitUsings>
 7 |     <Nullable>enable</Nullable>
 8 |   </PropertyGroup>
 9 | 
10 | </Project>
11 | 


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/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2021 Metigator
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/Arrays/Program.cs:
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  1 | 
  2 | namespace Arrays
  3 | {
  4 |     internal class Program
  5 |     {
  6 |         static void Main(string[] args)
  7 |         {
  8 |             //1.Single Dim. Array
  9 | 
 10 |             //a- Declaration
 11 | 
 12 |             string[] friends = new string[5];
 13 | 
 14 |             // Accessing Element
 15 | 
 16 |             friends[0] = "Ali";
 17 |             friends[1] = "Reem";
 18 |             friends[2] = "Faisel";
 19 |             friends[3] = "Ahmed";
 20 |             friends[4] = "Abeer";
 21 | 
 22 |             //b- Intialization = Declaration + Accessing
 23 | 
 24 |             string[] friends2 = new string[5] {
 25 | 
 26 |              "Ali",
 27 |              "Reem",
 28 |              "Faisel",
 29 |              "Ahmed",
 30 |              "Abeer"
 31 |             };
 32 | 
 33 |             // or 
 34 |             string[] friends3 =  {
 35 | 
 36 |              "Ali",
 37 |              "Reem",
 38 |              "Faisel",
 39 |              "Ahmed",
 40 |              "Abeer"
 41 |             };
 42 | 
 43 | 
 44 |             friends.Print();
 45 | 
 46 |             //2. Multi Dim. Array (rectangular array)
 47 |             int[,] suduko =
 48 |             {
 49 |                 {9,6,2,1,4,7,3,7,8 },
 50 |                 {1,8,5,6,7,3,4,2,9 },
 51 |                 {3,7,4,2,9,8,5,6,1 },
 52 |                 {5,3,1,7,6,2,9,8,4 },
 53 |                 {6,9,4,3,8,1,2,5,7 },
 54 |                 {8,2,7,4,5,9,6,1,3 },
 55 |                 {4,9,6,5,1,7,8,3,2 },
 56 |                 {2,1,8,9,3,6,7,4,5 },
 57 |                 {7,5,3,8,2,4,1,9,6 }
 58 | 
 59 |             };
 60 | 
 61 |             //3. Jagged Array (array inside array)
 62 |             var jagged = new int[][]
 63 |             {
 64 |                 new int[] {1,2},
 65 |                 new int[] {2,3,6},
 66 |                 new int[] {4}
 67 | 
 68 |             };
 69 | 
 70 |             // Indice and Range
 71 |             var first = friends[0];      // {Ali}
 72 |             var slice1 = friends[..2];    // {Ali, Reem}
 73 |             var slice2 = friends[2..];   // { Faisel, Ahmed, Abeer}
 74 |             var slice3 = friends[2..3];  // { Faisel}
 75 |             var slice4 = friends[2..^2]; // { Faisel}
 76 | 
 77 |             var sliceRange = 2..^3;
 78 |             var slice5 = friends[sliceRange]; // { Faisel}
 79 | 
 80 |             // Bound Checking
 81 |           //  var item = friends[5]; // IndexOutOfRangeException
 82 |             Console.ReadKey();
 83 |         }
 84 |     }
 85 | 
 86 |     public static class Extensions
 87 |     {
 88 |         public static void Print<T>(this T[] source)
 89 |         {
 90 |             if (!source.Any())
 91 |             {
 92 |                 Console.WriteLine("{}");
 93 |                 return;
 94 |             }
 95 |             Console.Write("{");
 96 |             for (var i = 0; i < source.Length; i++)
 97 |             {
 98 |                 Console.Write($"{source[i]}");
 99 |                 Console.Write(i < source.Length - 1 ? "," : "");
100 |             }
101 |             Console.WriteLine("}");
102 |         }
103 |     }
104 | 
105 | }


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