int[] array = new int[]{1, 2, 3, 4, 5};<br /> foreach (string i in array)<br /> {<br /> Console.WriteLine(i);<br /> }</p> <p>//or</p> <p>for(int i=0; i<array.Length; i++){<br /> Console.WriteLine(array[i]);<br /> }

// Define and Initialize<br /> int[] arr = {1, 2, 3};</p> <p>// Buuuut:<br /> // Initial defining<br /> int[] arr;</p> <p>// This works<br /> arr = new int[] {1, 2, 3}; </p> <p>// This will cause an error<br /> // arr = {1, 2, 3};

int[] array = new int[]{1, 2, 3, 4, 5};<br /> for(int i=0; i<array.Length; i++){<br /> Console.WriteLine(array[i]);<br /> }

// There are actually many ways to create an array in C#</p> <p>// The worst method<br /> int[] array1 = new int[3];<br /> array1[0] = 1;<br /> array1[1] = 2;<br /> array1[2] = 3;</p> <p>// Declare a single-dimensional array of 5 integers<br /> int[] array1 = new int[5];</p> <p>// Declare and set array element values<br /> int[] array2 = new int[5] { 1, 2, 3, 4, 5 };</p> <p>// Alternative syntax<br /> int[] array3 = { 1, 2, 3, 4, 5 };</p> <p>// Declare a two dimensional array<br /> int[,] multiDimensionalArray1 = new int[2, 3];</p> <p>// Declare and set array element values<br /> int[,] multiDimensionalArray2 = { { 1, 2, 3 }, { 4, 5, 6 } };</p> <p>// Declare a jagged array<br /> int[][] jaggedArray = new int[6][];</p> <p>// Set the values of the first array in the jagged array structure<br /> jaggedArray[0] = new int[4] { 1, 2, 3, 4 };

ArrayList arlist = new ArrayList()<br /> {<br /> 1,<br /> “Bill”,<br /> 300,<br /> 4.5f<br /> };</p> <p>arlist.Insert(1, “Second Item”);</p> <p>foreach (var val in arlist)<br /> Console.WriteLine(val);

// Syntax:<br /> datatype_variable[dimension] = new datatype[size]{array};</p> <p>// For example:<br /> string MyArray[] = new string[1]{“Hello”,”World”};</p> <p>// or just:<br /> string MyArray[]={“Hello”,”world”};</p> <p>// for multidimensions:<br /> // 2D array:<br /> // 2 arrays, 3 values //<br /> int MyArray=[,]=new int[1,2]{<br /> {1,2,3},<br /> {1,2,3}<br /> }</p> <p>// 3D array:<br /> // 2 arrays, 3 arrays, 4 values //<br /> int MyArray=[,,]=new int[1,2,3]{<br /> {<br /> {1,2,3,4},<br /> {1,2,3,4},<br /> {1,2,3,4}<br /> },<br /> {<br /> {1,2,3,4},<br /> {1,2,3,4},<br /> {1,2,3,4}<br /> }<br /> }

float[] array = new float[] { 1f, 5f, 4f, 3f };

int[] luckyNumbers = { 4, 8, 15, 16, 23, 42};</p> <p> luckyNumbers[1] = 900;<br /> string[] friends = new string[3];<br /> friends[0] = “Jim”;<br /> friends[1] = “Kelly”;<br /> friends[2] = “John”;<br /> friends[3] = “Ben”;</p> <p> Console.WriteLine(luckyNumbers[1]);<br /> Console.ReadLine();