c# array
// ------------ How to initialize 1-dimensional Arrays? ------------ // // 1º Method int[] myArray = new int[]; myArray[0] = 2; myArray[1] = 5; myArray[2] = 9; // 2º Method int[] myArray = {2, 5, 9}; // 3º Method int[] myArray = new int[]{2, 5, 9}; // ------------ How to initialize 2-dimensional Arrays? ------------ // // Rectangular Array int[,] myRetArray = { {8, 2}, {9, 4} }; // 2 rows and 2 columns //OR var myRetArray = new int[3, 5]; // 3 rows and 5 columns myRetArray[0,1] = 12; // Jagged Array var myJagArray = new int[3][]; // 3 rows myJagArray[0] = new int[2]; // The first row as 2 columns myJagArray[1] = new int[6]; // The second row as 6 columns myJagArray[2] = new int[4]; // The third row as 4 columns // OR var myJagArray = new int[3][]; // 3 rows myJagArray[0] = new int[] {7, 8, 4, 6, 1}; // The first row as 5 columns myJagArray[1] = new int[] {2, 6, 6}; // The second row as 3 columns myJagArray[2] = new int[] {7, 12, 4, 9, 13, 10, 3}; // The third row as 7 columns // OR int[][] myJagArray = new int[][] { new int[] {1, 4, 3}, new int[] {9, 2, 3}, new int[] {2, 5, 9} }; // -------- How to initialize 3 or more dimensional Arrays? -------- // var myArray = new int[3, 5, 8]; // 3 rows, 5 columns and 8 cells thick // -------------- How to creat an Array of Lists? ----------------- // var my_list = new List<int>[] { new List<int>() { 9, 2, 1, 2}, new List<int> { 6, 4, 1, 7}, new List<int> { 1, 8, 4, 3}, }; Console.WriteLine(my_list[0].ElementAt(0)); // You get "9"