question: returns a largest key on this priority queue . concode_field_sep Key[] pq concode_elem_sep Comparator<Key> comparator concode_elem_sep MaxPQ<Key> copy concode_elem_sep int N concode_field_sep Key next concode_elem_sep void sink concode_elem_sep boolean isEmpty concode_elem_sep void insert concode_elem_sep boolean hasNext concode_elem_sep void main concode_elem_sep boolean less concode_elem_sep void remove concode_elem_sep Iterator<Key> iterator concode_elem_sep int size concode_elem_sep void exch concode_elem_sep void resize concode_elem_sep boolean isMaxHeap concode_elem_sep boolean isMaxHeap concode_elem_sep void swim concode_elem_sep Key delMax
target: Key function ( ) { if ( isEmpty ( ) ) throw new NoSuchElementException ( "srini_string" ) ; return pq [ 1 ] ; }