C Sharp - Write a number in Words

C# - Write a number in Words

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConvertNumberToWords

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.Write("Enter the number which needs to be spelled out and hit ENTER Key : ");

            int num = Convert.ToInt32(Console.ReadLine());

            NumberToWordCoversion numword = new NumberToWordCoversion();

            string convertedstring = numword.Conversion(num);           

            Console.WriteLine(convertedstring);

            Console.ReadLine();

        }

    }

    class NumberToWordCoversion

    {

        public string Conversion(int number)

        {

            int[] n = new int[100];

            string final = "";

            int actualarrayfilled =0;

            string[] words = new string[10]{"Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};

            while(number >= 1)

            {

                n[actualarrayfilled] = number % 10;

                number = number / 10;

                actualarrayfilled++;               

            }

            for (int j = actualarrayfilled-1; j >= 0; j--)

            {

                final = final + words[n[j]] + " ";

            }

            return(final);

        }

    }

}

Output :

Alternate method using Switch Case :

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConvertNumberToWords

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.Write("Enter the number which needs to be spelled out and hit ENTER Key : ");

            int num = Convert.ToInt32(Console.ReadLine());

            NumberToWordCoversion numword = new NumberToWordCoversion();

            string convertedstring = numword.Conversion(num);           

            Console.WriteLine(convertedstring);

            Console.ReadLine();

        }

    }

    class NumberToWordCoversion

    {

        public string Conversion(int number)

        {

            int[] n = new int[100];

            string final = "";

            int actualarrayfilled =0;

            //string[] words = new string[10]{"Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine"};

            while(number >= 1)

            {

                n[actualarrayfilled] = number % 10;

                number = number / 10;

                actualarrayfilled++;               

            }

            for (int j = actualarrayfilled-1; j >= 0; j--)

            {

              //  final = final + words[n[j]] + " ";

                switch (n[j])

                {

                    case 0:

                      final = final + "Zero" + " ";

                      break;

                    case 1:

                      final = final + "One" + " ";

                      break;

                    case 2:

                      final = final + "Two" + " ";

                      break;

                    case 3:

                      final = final + "Three" + " ";

                      break;

                    case 4:

                      final = final + "Four" + " ";

                      break;

                    case 5:

                      final = final + "Five" + " ";

                      break;

                    case 6:

                      final = final + "Six" + " ";

                      break;

                    case 7:

                      final = final + "Seven" + " ";

                      break;

                    case 8:

                      final = final + "Eight" + " ";

                      break;

                    case 9:

                      final = final + "Nine" + " ";

                      break;

                    default:

                      final = "";

                      break;

                }

            }

            return(final);

        }

    }

}

Output: