static void Main(string[] args) { // Build a collection ConcreteCollection collection = new ConcreteCollection(); collection.AddEmployee(new Employee("Anurag", 100)); collection.AddEmployee(new Employee("Pranaya", 101)); collection.AddEmployee(new Employee("Santosh", 102)); collection.AddEmployee(new Employee("Priyanka", 103)); collection.AddEmployee(new Employee("Abinash", 104)); collection.AddEmployee(new Employee("Preety", 105)); // Create iterator Iterator iterator = collection.CreateIterator(); //looping iterator Console.WriteLine("Iterating over collection:"); for (Employee emp = iterator.First(); !iterator.IsCompleted; emp = iterator.Next()) { Console.WriteLine($"ID : {emp.ID} & Name : {emp.Name}"); } Console.Read(); }
// Constructor public Iterator(ConcreteCollection collection) { this.collection = collection; }