C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.IO;
using System.Collections;

namespace VehicleRegistration
{
    class Program
    {
        public static UserRegistration userReg = new UserRegistration();
        

        static void Main(string[] args)
        {
            int totalDimension = 0;
            string enteredName = "", enteredYear = "", enteredType = "", enteredPlate = "";

            Registration(ref totalDimension, ref enteredName, ref enteredPlate, ref enteredYear, ref enteredType);       

            Console.Read();
        }

        public static void MainMenu(ref int mainMenu)
        {
            
            Console.WriteLine("VEHICLE REGISTRATION\n");

            Console.WriteLine("MAIN MENU:\n");

            Console.WriteLine("[1] - Vehicle Registration");
            Console.WriteLine("[2] - Sort Database");
            Console.WriteLine("[3] - Search Database");
            Console.WriteLine("[4] - Exit\n");
            
            Console.Write("Enter your choice: ");
            mainMenu = Console.Read();

        }

        public static void Registration(ref int dim, ref string name, ref string plate, ref string year, ref string type)
        {
            
            string numDimension;

            StreamWriter txtNames = new StreamWriter(@"E:\names.txt", true);
            StreamWriter txtPlateNum = new StreamWriter(@"E:\platenum.txt", true);
            StreamWriter txtType = new StreamWriter(@"E:\type.txt", true);
            StreamWriter txtYear = new StreamWriter(@"E:\txtYear.txt", true);
        
            Console.Write("Enter the total number of vehicles to be registered: ");
            numDimension = Console.ReadLine();
            dim = Convert.ToInt32(numDimension);
            userReg.Dimension = dim;

            Console.Write("\n");

            for (int a = 0; a < userReg.Dimension; a++)
            {
                try
                {
                    Console.Write("Enter the Last name of the owner: ");
                    name = Console.ReadLine();
                    userReg.NameOfOwner = name;
                    txtNames.WriteLine(userReg.NameOfOwner);

                    Console.Write("Enter the plate number of the vehicle: ");
                    plate = Console.ReadLine();
                    userReg.PlateNumber = plate;
                    txtPlateNum.WriteLine(plate);

                    Console.Write("Enter the type of vehicle: ");
                    type = Console.ReadLine();
                    userReg.TypeOfVehicle = type;
                    txtType.WriteLine(type);

                    Console.Write("Enter year registered: ");
                    year = Console.ReadLine();
                    userReg.YearReg = year;
                    txtYear.WriteLine(year);
                }
                catch (System.IO.IOException)
                {
                }

                Console.Write("\n");
            }
        }
    }
}