public void push(int item)
{
if (item < minimum)
{
minimum = item;
}
TestDriver.LinkedList.Node t = new TestDriver.LinkedList.Node(item);
t.next = top;
top = t;
}
public Object pop()
{
if (top != null)
{
Object item = top.data;
top = top.next;
return(item);
}
return(null);
}
