static void Main(string[] args) { while (true) { Console.Clear(); Dog dog = new Dog(); Cat cat = new Cat(); Lizard lizard = new Lizard(); Snake snake = new Snake(); Turtle turtle = new Turtle(); Hamster hamster = new Hamster(); DryFeed dryFeed = new DryFeed(); LiquidFeed liquidFeed = new LiquidFeed(); Bone bone = new Bone(); Ball ball = new Ball(); Manager manager = new Manager(); Seller seller = new Seller(); Console.WriteLine("\t\tMenu"); Console.WriteLine("Enter 1 for know about dog;"); Console.WriteLine("Enter 2 for know about cat;"); Console.WriteLine("Enter 3 for know about lizard;"); Console.WriteLine("Enter 4 for know about snake;"); Console.WriteLine("Enter 5 for know about turtle;"); Console.WriteLine("Enter 6 for know about humster;"); Console.WriteLine("Enter 7 for know about dry feed;"); Console.WriteLine("Enter 8 for know about liquid feed;"); Console.WriteLine("Enter 9 for know about bone;"); Console.WriteLine("Enter 10 for know about ball;"); Console.WriteLine("Enter 11 for know about manager;"); Console.WriteLine("Enter 12 for know about seller;"); Console.WriteLine("Enter 13 for EXIT;"); int choice = int.Parse(Console.ReadLine()); switch (choice) { case 1: dog.GetFullInfo(); break; case 2: cat.GetFullInfo(); break; case 3: lizard.GetFullInfo(); break; case 4: snake.GetFullInfo(); break; case 5: turtle.GetFullInfo(); break; case 6: hamster.GetFullInfo(); break; case 7: dryFeed.GetFullInfo(); break; case 8: liquidFeed.GetFullInfo(); break; case 9: bone.GetFullInfo(); break; case 10: ball.GetFullInfo(); break; case 11: manager.GetFullInfo(); break; case 12: seller.GetFullInfo(); break; case 13: Environment.Exit(0); break; } Console.ReadKey(); } }