Example usage for java.util Arrays sort

Introduction

In this page you can find the example usage for java.util Arrays sort.

Prototype

public static void sort(Object[] a) 

Source Link

Document

Sorts the specified array of objects into ascending order, according to the Comparable natural ordering of its elements.

Usage

From source file:com.sixrr.metrics.ui.charts.DistributionDialog.java

private XYSeriesCollection createDistributionSeries() {
    final double[] strippedData = GraphUtils.stripNulls(datapoints);

    final XYSeries series = new XYSeries(metricName);
    Arrays.sort(strippedData);
    if (strippedData[0] != 0.0) {
        series.add(0.0, 0.0);// www.  j av  a  2  s. c  o  m
    }
    for (int i = 0; i < strippedData.length; i++) {
        int j = i + 1;
        while (j < strippedData.length && strippedData[i] == strippedData[j]) {
            i++;
            j++;
        }
        series.add(strippedData[i], (double) (i + 1) * 100.0 / (double) strippedData.length);
    }
    return new XYSeriesCollection(series);
}

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From source file:ca.nines.ise.cmd.Help.java

/**
 * Format a list of commands and send it to System.out.
 *
 * @throws InstantiationException/*from  w  w  w . j  av  a  2  s  .c  om*/
 * @throws IllegalAccessException
 */
public void listCommands() throws InstantiationException, IllegalAccessException {
    Formatter formatter = new Formatter(System.out);
    formatter.format("%n%12s   %s%n%n", "command", "description");

    Map<String, String> descriptions = new HashMap<>();
    for (Class<?> cls : ClassIndex.getSubclasses(Command.class)) {
        Command cmd = (Command) cls.newInstance();
        descriptions.put(cls.getSimpleName().toLowerCase(), cmd.description());
    }
    String names[] = descriptions.keySet().toArray(new String[descriptions.size()]);
    Arrays.sort(names);
    for (String name : names) {
        formatter.format("%12s   %s%n", name, descriptions.get(name));
    }
}

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From source file:com.zb.app.external.wechat.service.WeiXinResponseHandler.java

/**
 * ????? ???/*from  w  ww .  ja v  a  2 s. com*/
 * 
 * @param signature ??
 * @param timestamp 
 * @param nonce ?
 * @return
 */
public boolean validateSignature(String signature, String timestamp, String nonce) {
    String[] authStrs = new String[] { weixinConfig.getToken(), timestamp, nonce };
    Arrays.sort(authStrs);
    String validateSignature = DigestUtils.shaHex(StringUtils.join(authStrs, ""));
    return StringUtils.equals(signature, validateSignature);
}

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From source file:br.unicamp.ic.recod.gpsi.applications.gpsiTimeSeriesCreator.java

@Override
public void run() throws Exception {
    String datasetsPath = Paths.get(super.datasetPath).getParent().getParent().toString();
    System.out.println(datasetsPath);

    HashMap<Byte, double[][]> indicesMap = new HashMap<>();
    ArrayList<double[]> entities;
    double[][] series;

    int daysCount = 0, i, dayIndex;

    gpsiRawDataset rawDataset;//from w ww .  j ava  2 s . co m
    gpsiMLDataset dataset;

    VectorialMean vmean;
    Mean mean = new Mean();

    File[] days, years = new File(datasetsPath).listFiles(File::isDirectory);
    Arrays.sort(years);

    for (File year : years)
        daysCount += 365 + (Integer.parseInt(year.getName()) % 4 == 0 ? 1 : 0);

    for (Byte label : classLabels) {
        series = new double[daysCount][descriptors.length];
        for (double[] row : series)
            Arrays.fill(row, Double.NaN);
        indicesMap.put(label, series);
    }

    daysCount = 0;
    for (File year : years) {
        days = new File(year.getAbsolutePath()).listFiles(File::isDirectory);
        Arrays.sort(days);
        for (File day : days) {
            dayIndex = daysCount + Integer.parseInt(day.getName()) - 1;
            rawDataset = datasetReader.readDataset(day.getAbsolutePath() + "/", null, 0.0);
            rawDataset.assignFolds(new byte[] { 0 }, null, null);
            for (i = 0; i < descriptors.length; i++) {
                dataset = new gpsiMLDataset(descriptors[i]);
                dataset.loadTrainingSet(rawDataset.getTrainingEntities(), true);
                for (Byte label : classLabels) {

                    if (!dataset.getTrainingEntities().containsKey(label)) {
                        indicesMap.get(label)[dayIndex][i] = Double.NaN;
                        continue;
                    }
                    vmean = new VectorialMean(dataset.getDimensionality());
                    entities = (ArrayList<double[]>) dataset.getTrainingEntities().get(label);
                    for (double[] v : entities)
                        vmean.increment(v);
                    indicesMap.get(label)[dayIndex][i] = mean.evaluate(vmean.getResult());
                }
            }
        }
        daysCount += 365 + (Integer.parseInt(year.getName()) % 4 == 0 ? 1 : 0);
    }

    for (Byte label : classLabels)
        stream.register(new gpsiDoubleCsvIOElement(indicesMap.get(label), names, "series/" + label + ".csv"));

}

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From source file:com.microsoft.tfs.core.clients.registration.ServerMap.java

public String[] getURIs() {
    final String[] uris = (String[]) map.keySet().toArray(new String[map.size()]);
    Arrays.sort(uris);
    return uris;//from w  w  w  .  ja  va  2  s .  c o  m
}

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From source file:com.sixrr.metrics.ui.charts.DiffDistributionDialog.java

private XYSeriesCollection createDistributionSeries() {

    final double[] strippedDataPoints = GraphUtils.stripNulls(datapoints);
    final XYSeries series = new XYSeries(metricName);
    Arrays.sort(strippedDataPoints);
    if (strippedDataPoints[0] != 0.0) {
        series.add(0.0, 0.0);/*from   w ww. j  av  a 2s. c om*/
    }
    for (int i = 0; i < strippedDataPoints.length; i++) {
        int j = i + 1;
        while (j < strippedDataPoints.length && strippedDataPoints[i] == strippedDataPoints[j]) {
            i++;
            j++;
        }
        series.add(strippedDataPoints[i], (double) (i + 1) * 100.0 / (double) strippedDataPoints.length);
    }
    final XYSeriesCollection seriesCollection = new XYSeriesCollection();
    seriesCollection.addSeries(series);
    final double[] strippedPrevDataPoints = GraphUtils.stripNulls(prevDatapoints);
    final XYSeries prevSeries = new XYSeries(MetricsReloadedBundle.message("previous") + " " + metricName);
    Arrays.sort(strippedPrevDataPoints);
    if (strippedPrevDataPoints[0] != 0.0) {
        prevSeries.add(0.0, 0.0);
    }
    for (int i = 0; i < strippedPrevDataPoints.length; i++) {
        int j = i + 1;
        while (j < strippedPrevDataPoints.length && strippedPrevDataPoints[i] == strippedPrevDataPoints[j]) {
            i++;
            j++;
        }
        prevSeries.add(strippedPrevDataPoints[i],
                (double) (i + 1) * 100.0 / (double) strippedPrevDataPoints.length);
    }
    seriesCollection.addSeries(prevSeries);
    return seriesCollection;
}

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From source file:com.sunchenbin.store.feilong.core.util.MapUtil.java

/**
 * map,keys,? value ?.//  w  ww. j  av  a 2 s.  c o m
 * 
 * @param <K>
 *            the key type
 * @param <T>
 *            the generic type
 * @param map
 *            map
 * @param keys
 *            key
 * @return  keys key ? map  ,null
 * @see java.util.Collection#toArray()
 * @see java.util.Arrays#sort(Object[])
 */
@SuppressWarnings("unchecked")
public static <K, T extends Number> T getMinValue(Map<K, T> map, K[] keys) {
    Map<K, T> subMap = getSubMap(map, keys);

    if (null == subMap) {
        return null;
    }

    Collection<T> values = subMap.values();
    Object[] array = values.toArray();
    Arrays.sort(array);
    return (T) array[0];
}

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From source file:es.uam.eps.ir.ranksys.metrics.NDCG.java

private double idcg(UserNDCGRelevanceModel relModel) {
    double[] gains = relModel.getGainValues();
    Arrays.sort(gains);
    ArrayUtils.reverse(gains);//from  w ww .ja v a2  s. c o m

    double idcg = 0;
    int n = Math.min(cutoff, gains.length);

    for (int rank = 0; rank < n; rank++) {
        idcg += gains[rank] * disc.disc(rank);
    }

    return idcg;
}

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From source file:com.wx.iseeweather.GetPressurePlugin.GetPressure.java

private void sendFinalResult() {
    mSensorManager.unregisterListener(this);
    Arrays.sort(pressures);
    PluginResult result = new PluginResult(PluginResult.Status.OK, pressures[(NUMBER_OF_READINGS - 1) / 2]);
    result.setKeepCallback(false);//w  w w  .ja  v  a2 s  . c o m
    callbackContext.sendPluginResult(result);
}

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From source file:edu.gsgp.utils.Utils.java

public static double getMedian(long[] array) {
    long[] auxArray = Arrays.copyOf(array, array.length);
    Arrays.sort(auxArray);
    // Even number
    if (auxArray.length % 2 == 0) {
        int secondElement = auxArray.length / 2;
        return (auxArray[secondElement - 1] + auxArray[secondElement]) / 2;
    } else {//from   w w w.  j  a  v a2s.  c o  m
        int element = (auxArray.length - 1) / 2;
        return auxArray[element];
    }
}

---

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