public void CreateFirstNode(object value)
{
top = new stackNode(value);
top.next = null;
bottom = top;
length++;
}
public void Pop()
{
if (length == 0)
{
Console.WriteLine("no data in stack");
return;
}
var popItem = top.value;
top = top.next;
length--;
}
public void Push(object value)
{
if (length == 0)
{
CreateFirstNode(value);
return;
}
var newTop = new stackNode(value);
newTop.next = top;
top = newTop;
length++;
}
public StackUsingLinkedList()
{
top = null;
bottom = top;
length = 0;
}
public stackNode(object _value)
{
value = _value;
next = null;
}