Celsius-Fahrenheit-Convertor

Convertor.cs

using System;


namespace Celsius_Fahrenheit_Convertor
{
    public class Convertor
    {
        private double _celsius = 0;
        private double _fahrenheit = 0;
        private int _choice;

        /*
         * Choice 1 = Celsius to Fahrenheit
         * Choice 2 = Fahrenheit to Celsius
         */
        public Convertor(int choice, double value)
        {
            _choice = choice;

            switch (choice)
            {
                case 1:
                    _celsius = value;
                    _fahrenheit = (_celsius * 1.8) + 32;
                    break;

                case 2:
                    _fahrenheit = value;
                    _celsius = (_fahrenheit - 32) / 1.8;
                    break;
            }
        }

        public double Answer()
        {
            switch (_choice)
            {
                case 1:
                    return Math.Round(_fahrenheit, 2);
                    break;
                
                case 2:
                    return Math.Round(_celsius, 2);
                    break;
                
                default:
                    return 0;
            }
        }
    }
}

Program.cs

using System;

namespace Celsius_Fahrenheit_Convertor
{
    class Program
    {
        static void Main(string[] args)
        {
            bool go = true;

            while (go)
            {
                try
                {
                    Console.Write(
                        "- Enter 1 to convert Celsius to Fahrenheit\n- Enter 2 to convert Fahrenheit to Celsius\n- Enter 3 to exit\n: ");
                    int choice = int.Parse(Console.ReadLine());

                    switch (choice)
                    {
                        case 1:
                            Console.Write("\nEnter a value in Celsius\n: ");
                            double celsius = double.Parse(Console.ReadLine());
                            Convertor convertorObjectCelsius = new Convertor(choice, celsius);

                            Console.WriteLine($"\n{celsius}°C = {convertorObjectCelsius.Answer()}°F\n");
                            break;

                        case 2:
                            Console.Write("\nEnter a value in Fahrenheit\n: ");
                            double fahrenheit = double.Parse(Console.ReadLine());
                            Convertor convertorObjectFahrenheit = new Convertor(choice, fahrenheit);

                            Console.WriteLine($"\n{fahrenheit}°F = {convertorObjectFahrenheit.Answer()}°C\n");
                            break;

                        case 3:
                            go = false;
                            break;

                        default:
                            Console.WriteLine("\nInvalid option entered! Please try again\n");
                            break;
                    }
                }
                
                catch (Exception e)
                {
                    Console.WriteLine($"\nAn unexpected error has occurred: {e}\n");
                }
            }
        }
    }
}