public static Integer[] box (int[] list)
    {
        if (list == null) {
            return null;
        }
        Integer[] boxed = new Integer[list.length];
        for (int ii = 0; ii < list.length; ii++) {
            boxed[ii] = list[ii];
        }
        return boxed;
    }
public static Integer [ ] box ( int [ ] list ) { if ( list == null ) { return null ; } Integer [ ] boxed = new Integer [ list . length ] ; for ( int ii = 0 ; ii < list . length ; ii ++ ) { boxed [ ii ] = list [ ii ] ; } return boxed ; }
Covnerts an array of primitives to an array of objects.