static void Main(string[] args) { Console.WriteLine("Singly Linked List"); SinglyLinkedList myList1 = new SinglyLinkedList(); Node n1 = new Node(1); Node n2 = new Node(2); Node n3 = new Node(3); Node n4 = new Node(4); myList1.AddToFront(n1); myList1.AddToEnd(n2); myList1.AddToFront(n3); myList1.AddToEnd(n4); myList1.Print(); myList1.RemoveNode(myList1.Head, n2.Value); myList1.Print(); myList1.RemoveFirst(); myList1.Print(); myList1.RemoveLast(); myList1.Print(); myList1.RemoveLast(); myList1.Print(); Console.WriteLine("Doubly Linked List"); DoublyLinkedList myList2 = new DoublyLinkedList(); myList2.AddToFront(n1); myList2.AddToEnd(n2); myList2.AddToFront(n3); myList2.AddToEnd(n4); myList2.Print(); myList2.RemoveNode(myList2.Head, n2.Value); myList2.Print(); myList2.RemoveFirst(); myList2.Print(); myList2.RemoveLast(); myList2.Print(); myList2.RemoveLast(); myList2.Print(); myList2.RemoveFirst(); myList2.Print(); //Post Fix Calculator string[] expression = new string[] { "5", "6", "7", "*", "+", "1", "-" }; Console.WriteLine("Postfix calculator"); PostfixCalculator.Print(expression); Console.WriteLine("Result: " + PostfixCalculator.Calculate(expression)); }