C# 2D Array created and populated dynamically

The previous sample we worked has altered like below as that Two-dimensional array created and populated dynamically,

Program

using System;

namespace ClassRoomSamples

{

    class Demo05Array4

    {

        static void Main(string[] args)

        {

            Console.WriteLine("How many students?");

            int studentsCount = int.Parse(Console.ReadLine());

            int[,] Marks = new int[studentsCount, 2];

            Console.WriteLine($"Enter marks of {studentsCount} Students");

            for (int student = 0; student < studentsCount; student++) 

            {

                Console.WriteLine($"Enter internal and external marks of                                                 student {student + 1}");

                for (int sub = 0; sub < 2; sub++)

                {

                    Marks[student, sub] = int.Parse(Console.ReadLine());

                }

            }

            Console.WriteLine($"{"Student",-12}{"Internal",10}                                                            {"External",10}");

            Console.WriteLine("===================================");

            for (int student = 0; student < studentsCount; student++) 

            {

                Console.Write($"Student{student + 1:00}");

                for (int sub = 0; sub < 2; sub++)

                {

                    Console.Write($"{Marks[student, sub],10}");

                }

                Console.WriteLine();

            }

            Console.WriteLine("===================================");

            Console.ReadKey();

        }

    }

}

Output

How many students?
2

Enter marks of 2 Students

Enter internal and external marks of student 1
22
70

Enter internal and external marks of student 2
23
65

Student       Internal  External
===================================
Student01        22        70
Student02        23        65

===================================