must be in java can you help find what the error in this code is

aport javautil.Aprays; ublic ciow sortedt istReferenceBased extends ListReferenceBased implements Listinterface \{ public SortedtikikeferenceBased() \{ super(); 1 EOverride public void add(int index, Object item) throws Listindex0utofBoundsException ( if (index size) ( throw new ListIndexoutofBoundsException("Index out of bounds on add"); ) Node newllode = new Node(item) ; Node current = head; I/ Find the correct position to insert the new item for ( int i=0;i