int[] data = {1,2,3,4,5,6,7,8,9,10};

// To boxed array
Integer[] what = Arrays.stream( data ).boxed().toArray( Integer[]::new );
Integer[] ever = IntStream.of( data ).boxed().toArray( Integer[]::new );

// To boxed list
List you  = Arrays.stream( data ).boxed().collect( Collectors.toList() );
List like = IntStream.of( data ).boxed().collect( Collectors.toList() );