// Insert an object o at the front of the list.
public void insertFront(Object o) {
SListNode node = new SListNode(o);
if (head == null) {
head = node;
} else {
node.next = head;
head = node;
}
size++;
}
// Removes the given node from the list.
public void remove(SListNode node) {
SListNode prev = head;
if (node == head) head = head.next;
else {
while (prev != null) {
if (prev.next == node) {
prev.next = node.next;
break;
}
prev = prev.next;
}
}
size--;
}
