c#: Correction des exercices tableaux et matrices 1_2_3

Enoncé Exercice 1_2_3

Correction Exercice 1_2_3

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

namespace exrcicie_1_2_3
{
    class Program
    {
        static void Main(string[] args)
        {
            exercice1();
            exercice2();
            exercice3();
        }
        private static void exercice1()
        {
            int[] tableau=new int[3];
            Nullable min=null;
            for (int i = 0; i < 3; i++)
            {
                System.Console.WriteLine("Saisir l'entier {0}",i+1);
                tableau[i] =Convert.ToInt16( System.Console.ReadLine());
            }
            //Recherche de minimum
            for (int i = 0; i < 3; i++)
            {
                for (int j = 0; j < 3; j++)
                {
                    if (min > tableau[j])
                        min = tableau[j];
                }
            }
            Console.WriteLine("Le minimum est: " + min + " ");
        }
        private static void exercice2()
        {
            int[] tab = new int[26 - 5];
            Random rnd = new Random();
            // affectation de valeurs entières, pris au hasard entre 5 et 10, au tableau
            for (int i = 0; i < 26 - 5; i++)
            {
                tab[i] = rnd.Next(5, 26);
            }
            //affichage des valeurs du tableau
            for (int i = 0; i < 26 - 5; i++)
            {
                Console.WriteLine(tab[i] + " ");
            }
            Console.ReadLine();
        }
        private static void exercice3()
        {
            char[] alphabet = new char[26];
            for (int i = 0; i < 26; i++)
            {
                alphabet[i] = Convert.ToChar(65 + i);
            }
            for (int i = 0; i < 26; i++)
            {
                Console.WriteLine(alphabet[i]);
            }  
        }
    }
}