public override string ToString()
{
if (head == null)
{
Console.WriteLine("blank list");
}
else
{
Node2 temp = head;
while (temp != null)
{
temp.ToString();
temp = temp.next;
}
}
Console.WriteLine("");
return(base.ToString());
}
public void Add(Node2 node)
{
if (head == null)
{
head = node;
}
else
{
Node2 temp = head;
while (temp != null)
{
if (temp.next == null)
{
temp.next = node;
node.pre = temp;
break;
}
temp = temp.next;
}
}
}
public void Update(Node2 node)
{
Node2 temp = head;
bool flag = false;
while (temp != null)
{
if (temp.no == node.no)
{
temp.data = node.data;
flag = true;
break;
}
temp = temp.next;
}
if (!flag)
{
Console.WriteLine("nothing to update!");
ToString();
}
}
static void Main(string[] args)
{
TwoWayLinkedList twoWayLinkedList = new TwoWayLinkedList();
Node2 n1 = new Node2(1, "1");
Node2 n2 = new Node2(2, "2");
Node2 n3 = new Node2(3, "3");
Node2 n4 = new Node2(4, "4");
Node2 n5 = new Node2(5, "5");
Node2 n14 = new Node2(1, "14");
twoWayLinkedList.Add(n1);
twoWayLinkedList.Add(n3);
twoWayLinkedList.Add(n2);
twoWayLinkedList.Add(n5);
twoWayLinkedList.Add(n4);
twoWayLinkedList.ToString();
twoWayLinkedList.Update(n14);
twoWayLinkedList.ToString();
twoWayLinkedList.Delete(3);
twoWayLinkedList.ToString();
Console.Read();
}