public static void addEmployee() { Console.Write("Input Employee name: "); string name = Console.ReadLine(); while (!Employee.isValidName(name)) { Console.Write("Invalid name, try again: "); name = Console.ReadLine(); } Console.Write("Input Employee id: "); string id = Console.ReadLine(); while (!Employee.isValidID(id)) { Console.Write("Invalid id, try again: "); id = Console.ReadLine(); } Console.Write("Input Hours worked: "); int hours = int.Parse(Console.ReadLine()); while (!Employee.isValidHours(hours)) { Console.Write("Invalid name, try again: "); hours = int.Parse(Console.ReadLine()); } Employee emp = new Employee(name, id, hours); employees.Add(employees.Count + 1, emp); }