public void push(int stackNr, int value)
{
if (stackNr >= 0 && stackNr <= 2 && canAdd())
{
{
StackElement element = new StackElement(last[stackNr], value);
stack[count] = element;
last[stackNr] = count;
count++;
}
}
}
public StackElement pull(int stackNr)
{
if (stackNr >= 0 && stackNr <= 2 && canRemove())
{
StackElement elem = stack[last[stackNr]];
if (elem != null)
{
stack[last[stackNr]] = null;
last[stackNr] = elem.Previous;
count--;
return(elem);
}
}
return(null);
}