What is the difference between multidimensional array and jagged array?

Multidimensional array

Multidimensional array is also called a rectangular array. You can define a 3-dimensional array of integers as -

int [ , , ] val;

Let's see how to define a 2-dimensional array.

int[,] val = new[3,3]

Jagged array

Jagged array is an array of arrays. To access an element from it, just mention the index of that particular array.

Here, we have a jagged array of 5 integer arrays -

int[][] a = new int[][]{new int[]{0,0},new int[]{1,2}, new int[]{2,4},new int[]{ 3, 6 }};

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