Our Odd Numbers code in C#.
Odd Numbers Class File:
using System.Collections.Generic;
namespace Arithmetic_CS
{
class OddNumbers
    {
        private int start; // Our starting point
        private int stop; // where we will stop
        private List<int> list_of_primes; // We will house our gathered prime numbers here.
        // Our constructor
        public OddNumbers(int first, int last)
        {
            start = first;
            stop = last;
            list_of_primes = new List<int>();
        }
        public List<int> prepResult()
        {
            /*
            * Loop from start to stop and rip out even numbers;
             */
            while (start <= stop)
            {
                if (start % 2 != 0)
                {
                    list_of_primes.Add(start);
                }
                start++; // increase 'start' by 1
            }
            return list_of_primes;
        }
    }
}Main Class:
using System;
using System.Collections.Generic;
namespace Arithmetic_CS
{
class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Welcome to our demonstration sequels");
            Console.WriteLine("Hope you enjoy (and follow) the lessons.");
            Console.WriteLine("");
            /* Use the Even Number class. */
            int first = 1;
            int last = 100;
            List<int> answer;
            OddNumbers odd_data = new OddNumbers(first, last); // odd numbers between 1 and 100
            answer = odd_data.prepResult();
            Console.WriteLine("Odd numbers between " + first + " and " + last + " are:");
            Console.WriteLine(String.Join(", ", answer));
        }
    }
}Try it out!
                            
                                
                                
                                
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