/**
* Removes the first element of this list.
*
* @return Removed element or {@code null} if list is empty.
*/
@Nullable
public V removeFirst() {
return vals.isEmpty() ? null : vals.removeFirst();
}
/**
* Removes the first element of this list.
*
* @return Removed element or {@code null} if list is empty.
*/
@Nullable
public V removeFirst() {
return vals.isEmpty() ? null : vals.removeFirst();
}
