Example usage for java.util Comparator reverseOrder

Introduction

In this page you can find the example usage for java.util Comparator reverseOrder.

Prototype

public static <T extends Comparable<? super T>> Comparator<T> reverseOrder() 

Source Link

Document

Returns a comparator that imposes the reverse of the natural ordering.

Usage

From source file:Main.java

public static void main(String[] args) {
    BinaryOperator<Integer> bi = BinaryOperator.maxBy(Comparator.reverseOrder());
    System.out.println(bi.apply(2, 3));
}

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From source file:Main.java

public static void main(String[] args) {
    BinaryOperator<Integer> bi = BinaryOperator.minBy(Comparator.reverseOrder());
    System.out.println(bi.apply(2, 3));
}

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From source file:Main.java

public static void main(String[] args) {
    List<String> stringList = Arrays.asList("1", "1", "2", "3", "4");

    stringList.stream().sorted(Comparator.reverseOrder()).forEach(System.out::println);
}

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From source file:Main.java

public static void main(String[] args) {
    List<String> stringList = Arrays.asList("2", "1", "3", "4");

    Optional<String> m = stringList.stream().min(Comparator.reverseOrder());
    if (m.isPresent()) {
        System.out.println(m.get());
    } else {/*from   ww w  .  j av  a2 s.  co  m*/
        System.out.println("No Value");
    }

}

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From source file:Main.java

public static void main(String[] args) {
    List<String> stringList = Arrays.asList("2", "1", "3", "4");

    Optional<String> m = stringList.stream().max(Comparator.reverseOrder());
    if (m.isPresent()) {
        System.out.println(m.get());
    } else {//from w ww. j  a  va 2  s  .c  o m
        System.out.println("No Value");
    }

}

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From source file:Main.java

public static void main(String[] args) {
    Stream<String> s = Stream.of("1", "2", "3");

    Optional<String> o = s.collect(Collectors.maxBy(Comparator.reverseOrder()));

    if (o.isPresent()) {
        System.out.println(o.get());
    } else {// ww w.  j  av  a 2  s. c o  m
        System.out.println("no value");
    }

}

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From source file:Main.java

public static void main(String[] args) {
    Stream<String> s = Stream.of("1", "2", "3");

    Optional<String> o = s.collect(Collectors.minBy(Comparator.reverseOrder()));

    if (o.isPresent()) {
        System.out.println(o.get());
    } else {//from w w  w .  j  a  va 2 s.  c  o m
        System.out.println("no value");
    }

}

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From source file:org.mycore.imagetiler.MCRImageTest.java

private static boolean deleteDirectory(final Path path) {
    if (Files.exists(path)) {
        try {//from  w  w  w .ja v a 2 s.  co m
            Files.walk(path).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
        } catch (IOException e) {
            //ignore
        }
    }
    return !Files.exists(path);
}

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From source file:com.example.message.GetMessageRequest.java

Flux<Message> filterPages(final Flux<Message> messages) {
    return messages.sort(Comparator.reverseOrder()).index().filter(tuple -> tuple.getT1() >= page * size)
            .take(size).map(Tuple2::getT2);
}

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From source file:com.netflix.spinnaker.halyard.deploy.spinnaker.v1.RunningServiceDetails.java

public Integer getLatestEnabledVersion() {
    List<Integer> versions = new ArrayList<>(instances.keySet());
    if (!versions.isEmpty()) {
        versions.sort(Integer::compareTo);
        versions.sort(Comparator.reverseOrder());
    }//from  ww  w  . j  av a  2s .  c o m

    return versions.stream().map(i -> new ImmutablePair<>(i, instances.get(i)))
            .filter(is -> is.getRight().stream().allMatch(i -> i.isHealthy() && i.isRunning())).findFirst()
            .orElse(new ImmutablePair<>(null, null)).getLeft();
}

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