Jagged Array

What is jagged array?

    class Program

    {

        static void Main(string[] args)

        {

            int[][] arr = new int[3][]; // Jagged array

            int[] x1 = { 1,2,3,4,5,6,7,8,9,0};

            int[] x2 = { 1,3,5,7,9};

            int[] x3 = { 2,4,6,8};

            arr[0] = x1;

            arr[1] = x2;

            arr[2] = x3;

            for (int j = 0; j < 3; j++)

            {

                for (int i = 0; i < arr[j].Length; i++)

                {

                    Console.Write(arr[j][i].ToString()+ ", ");

                }

                Console.WriteLine();

            }

        }

    }