List<String> lista1 = Arrays.asList("Antônio", "Carlos", "Bernardo", "Douglas");

// Print A

Collections.sort(lista1, Collections.reverseOrder());

System. Out.println(lista1);

// Print B

List<String> lista2 = new ArrayList<>();

Collections.sort(lista2, Collections.reverseOrder());

System. Out.println(lista2);

// Print C

Collections.sort(lista1);

System. Out.println(lista1);