public T RemoveFromFront()
{
if (IsEmpty())
{
throw new EmptyListException(name);
}
T removeItem = firstNode.Data;
if (firstNode == lastNode)
{
firstNode = lastNode = null;
}
else
{
firstNode = firstNode.Next;
}
return(removeItem);
}
public void Display()
{
if (IsEmpty())
{
Console.WriteLine($"Empty {name}");
}
else
{
Console.Write($"The {name} is: ");
ListNode <T> current = firstNode;
while (current != null)
{
Console.Write($"{current.Data} ");
current = current.Next;
}
Console.WriteLine("\n");
}
}
public List(string listName)
{
name = listName;
firstNode = lastNode = null;
}
public ListNode(T dataValue, ListNode <T> nextNode)
{
Data = dataValue;
Next = nextNode;
}