Jagged Array

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace jagged_arrray
{
    class Program
    {
        static void Main(string[] args)
        {
             int[][] arr = new int[4][];
            arr[0] = new int[6];
            arr[1] = new int[7]; 
            arr[2] = new int[8];
            arr[3] = new int[4];
            // printing values of jagged array using nested for
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr[i].Length; j++)
                    Console.Write(arr[i][j] + "");
                Console.WriteLine();
            }
            // assigning values of a jagged array using nested for
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr[i].Length; j++)
                    arr[i][j] = j + 1;
            }
            Console.ReadKey();
           

        }
    }
}