public void insertAt(int loc, int data)
{
if (root == null && loc > 0)
{
Console.WriteLine("err: list empty");
}
if (loc == 0)
{
insertStart(data);
}
Node current = root;
try
{
for (int i = 0; i < loc - 1; i++)
{
Console.WriteLine("current Data {0}", current.getData());
current = current.getNode();
}
Node newNode = new Node(current.getNode(), data);
current.setNode(newNode);
}
catch (NullReferenceException e)
{
Console.WriteLine("err: location out of index");
Console.WriteLine(e);
}
}
public void writeList()
{
if (this.root == null)
{
Console.WriteLine("List is empty");
}
Node current = this.root;
Console.WriteLine(current.getData());
while (current.getNode() != null)
{
current = current.getNode();
Console.WriteLine(current.getData());
}
}
public void insertEnd(int data)
{
if (root == null)
{
Node newNode = null;
root = new Node(newNode, data);
}
else
{
Node current = this.root;
while (current.getNode() != null)
{
current = current.getNode();
}
Node newNode = new Node(null, data);
current.setNode(newNode);
}
}