public IEnumerable <Key> keys() // toate cheile din tabela
{
StackLL <Key> stack = new StackLL <Key>();
for (Node x = first; x != null; x = x.next)
{
stack.push(x.key);
}
return(stack);
}
static void Main(string[] args)
{
StackLL <string> sll = new StackLL <string>();
string line = "to be or not to be";
string[] tokens = line.Split(' ');
foreach (var item in tokens)
{
sll.push(item);
}
//while (!sll.isEmpty())
//{
// Console.WriteLine(sll.pop());
//}
foreach (var item in sll)
{
Console.WriteLine(item);
}
}