question: @ SuppressWarnings ( "unchecked" ) public static < T extends java . lang . Comparable < ? super T > > void sort ( List < T > list ) { Object [ ] array = list . toArray ( ) ; Arrays . sort ( array ) ; int i = 0 ; ListIterator < T > it = list . listIterator ( ) ; while ( it . hasNext ( ) ) { it . next ( ) ; it . set ( ( T ) array [ i ++ ] ) ; } }
target:  Sorts the specified list in ascending natural order. The algorithm is stable which means equal elements don't get reordered.