static void Main(string[] args)
{
GamerManager gamerManager = new GamerManager(new GamerValidationManager());
gamerManager.GamerAdd(new Gamer()
{
Id = 1, FirstName = "salih", LastName = "yılmaz"
});
CampaignManager campaignManager = new CampaignManager();
campaignManager.CampaignAdd(new Campaign()
{
CampaignName = "İndirim"
});
SaleManager saleManager = new SaleManager();
saleManager.Sale(new Sale()
{
OrderNumber = 50
});
}