Exception handling

namespace Coding.Exercise

{

    public class Exercise

    {

        public static Task Test(string? input)

        {

            var task = Task.Run(() => ParseToIntAndPrint(input))

             .ContinueWith(

                 faultedTask =>

                 {

                     faultedTask.Exception.Handle(ex =>

                     {

                         if (ex is ArgumentNullException)

                         {

                             Console.WriteLine("The input is null.");

                             return true;

                         }

                         if (ex is FormatException)

                         {

                             Console.WriteLine("The input is not in a correct format.");

                             return true;

                         }

                         Console.WriteLine("Unexpected exception type.");

                         return false;

                     });

                 },

                 TaskContinuationOptions.OnlyOnFaulted

                 );

            return task;

        }

        private static void ParseToIntAndPrint(string? input)

        {

            if(input is null)

            {

                throw new ArgumentNullException();

            }

            if(long.TryParse(input, out long result))

            {

                if(result > int.MaxValue)

                {

                    throw new ArgumentOutOfRangeException("The number is too big for an int.");

                }

                Console.WriteLine("Parsing successful, the result is: " + result);

            }

            else

            {

                throw new FormatException();

            }

        }

    }

}