AbhinavPradeep

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;

namespace Theta.Customers.API
{
    public class Program
    {
        public static void Main(string[] args)
        {

AbhinavPradeep

using MongoDB.Driver;
using System.Collections.Generic;
using System.Linq;
using Theta.Customers.Models;


namespace Theta.Customers.Repository
{
    public class CustomerRepos
    {

AbhinavPradeep

namespace Theta.Customers.Models
{
    public class Address
    {
        public string Country;
        public string State;
        public string Area;
        public string Street;
        public int HouseNum;
    }

AbhinavPradeep

namespace Theta.Customers.Models
{
    public class Customer
    {
        public int _id;
        public string FirstName;
        public string LastName;
        //public bool IsPremium;
        public Address Address;
    }

AbhinavPradeep

namespace Theta.Customers.Models
{
    public class Customer
    {
        public int _id;
        public string FirstName;
        public string LastName;
        //public bool IsPremium;
        public Address Address;
    }

AbhinavPradeep

namespace Theta.Customers.Models
{
    public class Customer
    {
        public int _id;
        public string FirstName;
        public string LastName;
        //public bool IsPremium;
        public Address Address;
    }

AbhinavPradeep

namespace Theta.Customers.Models
{
    public class Customer
    {
        public int _id;
        public string FirstName;
        public string LastName;
        //public bool IsPremium;
        public Address Address;
    }

AbhinavPradeep

private Node CreateNode(Person person)
  {
    Node node = new Node();
    node.person = person;
    node.Next = null;
    return node;
  }

AbhinavPradeep

public void Add(Person person)
  {
    Node node = CreateNode(person);           
    if (Head == null)
      {
        Head = node;
        return;
      }
    if(Head.Next == null)
      {

AbhinavPradeep

Node Head;
public LinkedList()
  {
    Head = null;
  }