public T set(int index, T indexValue) {
if (index < 0 || index > size - 1) {
throw new IndexOutOfBoundsException();
}
LNode current = start;
// int tracker=0;
for (int i = 0; i < index; i++) {
current = current.getNext();
}
T save = current.getData();
current.setData(indexValue);
return save;
}
