Question

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What is differences between Multidimensional array and Array of Arrays in C#?

Can anybody explain me the difference between string[][] and string[,]?

Answer 1

string[,] is a multidimensional array .

string[][] is a Jagged array :

A jagged array is an array whose elements are arrays. The elements of
a jagged array can be of different dimensions and sizes. A jagged
array is sometimes called an “array of arrays.”