H8 arrays - Opwarmen - 2 dimensionale array declareren

using System;

namespace oefening
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //schrijf hieronder jouw code
            double[,] array = new double[3, 4];
            Random random = new Random();

            for (int i = 0; i < array.GetLength(0); i++)
            {
                for (int j = 0; j < array.GetLength(1); j++)
                {
                    array[i, j] = random.NextDouble();
                }
            }

            //====================
            //hieronder niets aanpassen
            //====================
            Console.WriteLine(PrintArray(array));
        }

        //====================
        //hieronder niets aanpassen
        //====================
        public static string PrintArray(double[,] array)
        {
            //print the array in rows and columns   
            string result = "";

            for (int i = 0; i < array.GetLength(0); i++)
            {
                result += "[";
                for (int j = 0; j < array.GetLength(1); j++)
                {
                    result += array[i, j] + " ";
                }
                result += "]\n";
            }
            return result;
        }
    }
}