@Override
public E get(int index) {
if (index < size()) {
Node<E> cursor = head;
for (int i = 0; i < index; i++) {
cursor = cursor.getNextNode();
}
return cursor.getElement();
} else {
throw new RuntimeException("Index out of bound.");
}
}
@Override
public int indexOf(E element) {
int index = 0;
Node<E> cursor = head;
while (cursor != null) {
if (cursor.getElement() == element) {
return index;
}
cursor = cursor.getNextNode();
index++;
}
return -1;
}
@Override
public String toString() {
String res = "[";
Node<E> cursor = head;
while (cursor != null) {
res += cursor.getElement();
cursor = cursor.getNextNode();
if (cursor != null) {
res += ",";
}
}
res += "]";
return res;
}