using System;

public class Program

{

    public static void Main()

    {

        string[] names ={ "Williams", "Harris", "Sweeney", "DuBeau", "Roche"};

        names[6]= "Roche";

        Console.WriteLine(names[6]);

        int[][] jagged = new int [2][];

        {   

        jagged[0]= new int[2];

            jagged[1]= new int[1];

            jagged[2]= new int[4];

            jagged[3]= new int[2];

            jagged[4]= new int[0];

        }

    }

}