Java™ How To Program (Early Objects), Tenth Edition

17.5.3 Filtering Strings Then Sorting Them in Case-Insensitive Descending Order

Lines 31–35 perform the same tasks as lines 24–28, but sort the Strings in descending order. Functional interface Comparator contains default method reversed, which reverses an existing Comparator’s ordering. When applied to String.CASE_INSENSITIVE_ORDER, the Strings are sorted in descending order.