static void Main(string[] args)
{
var twitterMessage = new TwitterMessagingService();
var facebookMessage = new FacebookMessagingService();
var tinderMessage = new TinderMessagingService();
MessagingHelper.SayHelloAllServices(tinderMessage, facebookMessage, twitterMessage);
}
static void Main(string[] args)
{
var twitterMessagingService = new TwitterMessagingService();
var facebookMessangingService = new FacebookMessagingService();
var linkedinMessagingService = new LinkedInMessagingService();
MessagingHelper.SayHelloAllServices(twitterMessagingService, facebookMessangingService, linkedinMessagingService);
}