How to Disable Event Firing on List Item Update in SharePoint 2013 Programmatically

public classEventFiring : SPItemEventReceiver
{
  public void DisableHandleEventFiring()
  {
     this.EventFiringEnabled =false;
  }

  public void EnableHandleEventFiring()
  {
     this.EventFiringEnabled =true;
  }
}


class Program
{
  static void Main(string[] args)
  {
    using (SPSite site = new SPSite("https://serverName/sites/testsite/"))
    {
      using (SPWeb web = site.OpenWeb())
      {
        SPList list = web.Lists.TryGetList("Test List");
        SPListItem item = list.GetItemById(1);
        item["Title"] ="Updated Successfully";
        EventFiring eventFiring = newEventFiring();
        eventFiring.DisableHandleEventFiring();
        item.Update();
        eventFiring.EnableHandleEventFiring();
        Console.WriteLine("Updated Successfully");
        Console.ReadLine();
     }
   }
  }
}