/// <summary>
/// Method, which returns value of deleted element from the stack
/// </summary>
/// <returns>value of the deleted element</returns>
public int Pop()
{
if (!IsEmpty())
{
int result = head.Element;
head = head.Next;
return result;
}
else
{
throw new NullReferenceException("No Elements in the stack");
}
}
/// <summary>
/// Method, which adds a new element in the stack
/// </summary>
/// <param name="value">value of the element</param>
public void Push(int value)
{
StackElement tmp = new StackElement(head, value);
head = tmp;
}
public StackElement(StackElement next, int value)
{
this.Element = value;
this.Next = next;
}