// C# program to illustrate the declaration 

// and Initialization of Jagged Arrays

using System;

class GFG {

    // Main Method

    public static void Main()

    {

        // Declare the Jagged Array of four elements:

        int[][] jagged_arr = new int[4][];

        // Initialize the elements

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

        jagged_arr[1] = new int[] {11, 34, 67};

        jagged_arr[2] = new int[] {89, 23};

        jagged_arr[3] = new int[] {0, 45, 78, 53, 99};

        // Display the array elements:

        for (int n = 0; n < jagged_arr.Length; n++) {

            // Print the row number

            System.Console.Write("Row({0}): ", n);

            for (int k = 0; k < jagged_arr[n].Length; k++) {

                // Print the elements in the row

                System.Console.Write("{0} ", jagged_arr[n][k]);

            }

            System.Console.WriteLine();

        }

    }

}

// In C#, a jagged array consists of multiple arrays as its element

//Syntax: 

//dataType[ ][ ] nameOfArray = new dataType[rows][ ];

​

​

using System;

​

namespace JaggedArray {

  class Program {

    static void Main(string[] args) {

​

     // create a jagged array

     int[ ][ ] jaggedArray = {

         new int[] {1, 3, 5},

         new int[] {2, 4},

      };

​

     // print elements of jagged array

     Console.WriteLine("jaggedArray[1][0]: " + jaggedArray[1][0]);

     Console.WriteLine("jaggedArray[1][1]: " + jaggedArray[1][1]);

​

     Console.WriteLine("jaggedArray[0][2]: " + jaggedArray[0][2]);

​

     Console.ReadLine();

    }    

  }

}

​

jagged array is also known as varriable size array. Can store data of any size.

​

int[][] jagged_arr = new int[3][];

jagged_arr[0] = new int[] {1, 7, 9, 22};

jagged_arr[1] = new int[] {11, 34, 67};

jagged_arr[2] = new int[] {110, 24};