How do you declare jagged arrays in C#

A Jagged array is an array of arrays. You can declare a jagged array named scores of type int as.

int [][] scores;

Let us now see an example to learn how to declare and work with jagged arrays in C#.

Example

 Live Demo

using System;
namespace ArrayApplication {
   class MyArray {
      static void Main(string[] args) {
         /* a jagged array of 5 array of integers*/
         int[][] a = new int[][]{new int[]{0,0},new int[]{1,2}, new int[]{2,4},new int[]{ 3, 6 }, new          int[]{ 4, 8 } };
         int i, j;
         /* output each array element's value */
         for (i = 0; i < 5; i++) {
            for (j = 0; j < 2; j++) {
               Console.WriteLine("a[{0}][{1}] = {2}", i, j, a[i][j]);
            }
         }
         Console.ReadKey();
      }
   }
}

Output

a[0][0] = 0
a[0][1] = 0
a[1][0] = 1
a[1][1] = 2
a[2][0] = 2
a[2][1] = 4
a[3][0] = 3
a[3][1] = 6
a[4][0] = 4
a[4][1] = 8

Samual Sam

Published on 19-Sep-2018 10:33:28