Using lambdas from Java 8 standart

java_8_lambda

List<String> names = Arrays.asList("nik", "andrey", "alena", "sasha");

// First method to sort Java "List" with strings

Collections.sort(names, new Comparator<String>() {
  @Override
  public int compareTo(String a, String b) {
    return b.compareTo(a);
  }
});


// Second method of sorting string in List, using all gifts from Java 8

Collections.sort(names, (a, b) -> b.compareTo(a));