Example usage for java.text DecimalFormat DecimalFormat

List of usage examples for java.text DecimalFormat DecimalFormat

  1. HOME
  2. Java
  3. java
  4. java.text.*
  5. DecimalFormat
  6. DecimalFormat

Introduction

In this page you can find the example usage for java.text DecimalFormat DecimalFormat.

Prototype

public DecimalFormat(String pattern)

Source Link

Document

Creates a DecimalFormat using the given pattern and the symbols for the default java.util.Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

/**
 * Returns a formatted string representation of the number of bytes specified. The largest
 * suitable suffix up until GB will be used, with the returned value expressed to two 
 * decimal places.//  w  w w  . ja va2 s  . c  o m
 * @param bytes The number of bytes to be reported.
 * @return The specified number of bytes, formatted as a string, in bytes, KB, MB or GB.
 */
static public String formatBytes(long bytes) {

    double val = 0;
    String units = "";

    if (bytes < 1024) {
        val = bytes;
        units = "bytes";
    } else if (bytes < 1048576) {
        val = (bytes / 1024.0f);
        units = "KB";
    } else if (bytes < 1073741824) {
        val = (bytes / 1048576.0f);
        units = "MB";
    } else {
        val = (bytes / 1073741824.0f);
        units = "GB";
    }

    DecimalFormat df = new DecimalFormat("###.##");
    return df.format(val) + " " + units;

}

From source file:ch.admin.suis.msghandler.common.MessageType.java

/**
 * {@inheritDoc }
 */
@Override
public String toString() {
    return new DecimalFormat("####0").format(type);
}

From source file:eu.fbk.utils.lsa.util.AnvurTest.java

public static void main(String[] args) throws Exception {
    String logConfig = System.getProperty("log-config");
    if (logConfig == null) {
        logConfig = "log-config.txt";
    }// ww w  .ja  v a 2  s  .  co  m

    PropertyConfigurator.configure(logConfig);

    if (args.length != 8) {
        System.out.println(args.length);
        System.out.println(
                "Usage: java -mx2G eu.fbk.utils.lsa.util.AnvurTest root-lsa-en root-lsa-it threshold-lsa size-lsa dim-lsa idf-lsa in-file-tsv fields-tsv\n\n");
        System.exit(1);
    }

    //
    DecimalFormat dec = new DecimalFormat("#.00");

    File enUt = new File(args[0] + "-Ut");
    File enSk = new File(args[0] + "-S");
    File enr = new File(args[0] + "-row");
    File enc = new File(args[0] + "-col");
    File endf = new File(args[0] + "-df");
    File itUt = new File(args[1] + "-Ut");
    File itSk = new File(args[1] + "-S");
    File itr = new File(args[1] + "-row");
    File itc = new File(args[1] + "-col");
    File itdf = new File(args[1] + "-df");

    double threshold = Double.parseDouble(args[2]);
    int size = Integer.parseInt(args[3]);
    int dim = Integer.parseInt(args[4]);
    boolean rescaleIdf = Boolean.parseBoolean(args[5]);

    LSM enLsm = new LSM(enUt, enSk, enr, enc, endf, dim, rescaleIdf);
    LSM itLsm = new LSM(itUt, itSk, itr, itc, itdf, dim, rescaleIdf);

    File in = new File(args[6]);

    if (in.isFile()) {
        run(enLsm, itLsm, args[6], args[7]);
    } else if (in.isDirectory()) {
        FolderScanner fs = new FolderScanner(in);
        fs.setFiler(new TsvFilter());
        int count = 0;
        while (fs.hasNext()) {
            Object[] files = fs.next();
            System.out.println((count++) + " : " + files.length);
            for (int i = 0; i < files.length; i++) {

                String name = ((File) files[i]).getAbsolutePath();
                System.out.println(name);
                run(enLsm, itLsm, name, args[7]);
            } // end for i
        } // end while
    }

}

From source file:front.TestTable.java

public TestTable(Controller cont, int[][] response, float[] vec, float rango, int cantIntervalos) {

    controller = cont;//from  www.j  av a 2  s  . c  o  m
    contador = response.length;
    initComponents();

    DecimalFormat in = new DecimalFormat("0.00");
    DecimalFormat aleat = new DecimalFormat("0.0000");
    DecimalFormat c = new DecimalFormat("0.000");
    int contador = 0;
    int frecEsp = (int) vec.length / cantIntervalos;
    double rangoM;
    float[][] matrizIntervalos = new float[cantIntervalos][2];
    double[] estadisticoParcial = new double[cantIntervalos];
    DefaultTableModel tm = (DefaultTableModel) table.getModel();

    for (int i = 0; i < response.length; i++) {
        if (i == 0) {
            rangoM = rango;
            tm.addRow(new Object[] { "0.00 - " + in.format(rangoM), i, response[i][1], frecEsp,
                    c.format(estadisticoPrueba(response, frecEsp, i)) });
            contador++;
            matrizIntervalos[0][0] = 0;
            matrizIntervalos[0][1] = (float) rangoM;

        } else {
            if (contador == 1) {
                tm.addRow(new Object[] { in.format(rango) + " - " + in.format(rango + rango), i, response[i][1],
                        frecEsp, c.format(estadisticoPrueba(response, frecEsp, i)) });

                matrizIntervalos[i][0] = rango;
                matrizIntervalos[i][1] = (float) rango + rango;
                contador++;

            } else {
                tm.addRow(new Object[] {
                        in.format(rango * contador) + " - " + in.format((rango * contador) + rango), i,
                        response[i][1], frecEsp, c.format(estadisticoPrueba(response, frecEsp, i)) });
                matrizIntervalos[i][0] = rango * contador;
                matrizIntervalos[i][1] = (rango * contador) + rango;
                contador++;
            }

        }
    }

    if (frecEsp < 5) {
        DefaultTableModel tm2 = (DefaultTableModel) tablaFe.getModel();
        double estadisticoTotal = 0;
        int frecEspAcumulada = 0;
        int frecObsAcumulada = 0;
        int inicio = 0;
        float a = 0;

        for (int i = 0; i < tm.getRowCount(); i++) {
            frecEspAcumulada += (int) tm.getValueAt(i, 2);
            frecObsAcumulada += (int) tm.getValueAt(i, 1);

            if (frecEspAcumulada >= 5) {
                estadisticoParcial[i] += estadisticoPrueba2(frecObsAcumulada, (int) frecEspAcumulada);
                tm2.addRow(new Object[] {
                        in.format(matrizIntervalos[inicio][0]) + " - " + in.format(matrizIntervalos[i][1]),
                        (int) frecObsAcumulada, frecEspAcumulada, c.format(estadisticoParcial[i]) });
                a = matrizIntervalos[inicio][0];
                inicio = i + 1;

                frecEspAcumulada = 0;
                frecObsAcumulada = 0;
            } else {
                if (i == tm.getRowCount() - 1) {
                    int filaAUnir = tm2.getRowCount() - 1;
                    //actualizo intervalo
                    tm2.setValueAt(in.format(a) + " - " + in.format(matrizIntervalos[i][1]), filaAUnir, 0);
                    //frec observada
                    tm2.setValueAt(frecObsAcumulada + (int) tm2.getValueAt(filaAUnir, 1), filaAUnir, 1);
                    //frec esperada
                    tm2.setValueAt(frecEspAcumulada + (int) tm2.getValueAt(filaAUnir, 2), filaAUnir, 2);

                    int frecObsUltima = (int) tm2.getValueAt(filaAUnir, 1);
                    int frecEspUltima = (int) tm2.getValueAt(filaAUnir, 2);

                    estadisticoParcial[i - 1] = estadisticoPrueba2(frecObsUltima, frecEspUltima);
                    tm2.setValueAt(estadisticoParcial[i - 1], filaAUnir, 3);
                    break;
                }
            }
        }

        for (int i = 0; i < estadisticoParcial.length; i++) {
            estadisticoTotal += estadisticoParcial[i];
        }
        txt_gradosNuevo.setText("" + gradosLibertad(tm2.getRowCount()));
        txt_estadisticoNuevo.setText("" + c.format(estadisticoTotal));
    }
    //para mostrar los valores generados
    String acum = "";
    for (int i = 0; i < vec.length; i++) {
        acum += "Valor " + (i + 1) + ": " + aleat.format(vec[i]) + ".\n";
    }
    txt_valoresGenerados.setText(acum);

    //para el calculo de mi estadistico de prueba total
    txt_estadistico.setText("" + c.format(estadisticoPruebaTotal(response, frecEsp)));
    txt_grados.setText("" + gradosLibertad(cantIntervalos));

    valoresGenerados = vec;
    this.cantIntervalos = cantIntervalos;
    agregarHistograma();

}

From source file:com.imagelake.earnings.Servlet_EarningsValues.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    PrintWriter out = response.getWriter();
    try {/*from w ww  . j a  v a2s. co  m*/
        String uid = request.getParameter("uid");
        if (uid != null && !uid.equals("")) {

            uidd = Integer.parseInt(uid);

            PaymentPreferences pp = ppimp.getPendingEarning(uidd, 1);
            double pd = 00.00;
            double ad = 00.00;
            if (pp != null) {
                pd = pp.getAmount();
                DecimalFormat df1 = new DecimalFormat("#.##");
                pd = Double.valueOf(df1.format(pd));

            }

            SellerIncome sin = sidi.getSellerIncome(uidd);
            ad = sin.getTotal();
            DecimalFormat df = new DecimalFormat("#.##");
            ad = Double.valueOf(df.format(ad));

            double netamo = ad - pd;
            DecimalFormat df2 = new DecimalFormat("#.##");
            netamo = Double.valueOf(df2.format(netamo));

            JSONObject jo = new JSONObject();
            jo.put("pe", pd);
            jo.put("ab", ad);
            jo.put("ne", netamo);

            out.write("json=" + jo.toJSONString());
        }
    } catch (Exception e) {
        e.printStackTrace();

    }
}

From source file:fr.bde_eseo.eseomega.lacommande.model.LacmdCategory.java

public String getBeginPriceAsStr() {
    return " partir de " + new DecimalFormat("0.00").format(beginPrice) + "";
}

From source file:com.swcguild.springmvcwebapp.controller.FlooringController.java

@RequestMapping(value = "/flooring", method = RequestMethod.POST)
public String doPost(HttpServletRequest request, Model model) {

    try {//from   ww w.  ja va2  s .c om
        width = Double.parseDouble(request.getParameter("myWidth"));
        length = Double.parseDouble(request.getParameter("myLength"));
        myCost = request.getParameter("myCost");

        cost = Double.parseDouble(myCost);
        area = width * length;

        totalMatCost = area * cost;

        totalLabor = laborCost(area);

        quote = totalLabor + totalMatCost;

        DecimalFormat df = new DecimalFormat("#.00");

        model.addAttribute("area", df.format(area));
        model.addAttribute("totalMatCost", df.format(totalMatCost));
        model.addAttribute("totalLabor", df.format(totalLabor));
        model.addAttribute("quote", df.format(quote));
    } catch (NumberFormatException e) {
    }

    return "flooringResponse";
}

From source file:ca.sqlpower.dao.session.FormatConverter.java

public Format convertToComplexType(String convertFrom) throws ConversionException {

    //The patterns can contain the delimiter character.
    int firstSeparator = convertFrom.indexOf(DELIMITER);

    if (firstSeparator == -1) {
        throw new IllegalArgumentException("Cannot find the class type for the string " + convertFrom);
    }/*  ww  w  . j  av a 2  s .c  o  m*/

    String className = convertFrom.substring(0, firstSeparator);
    String pattern = convertFrom.substring(firstSeparator + 1);

    if (className.equals(DecimalFormat.class.getSimpleName())) {
        return new DecimalFormat(pattern);
    } else if (className.equals(SimpleDateFormat.class.getSimpleName())) {
        return new SimpleDateFormat(pattern);
    } else {
        throw new IllegalStateException(
                "Unknown class " + className + " to create a format on based on the pattern " + pattern);
    }
}

From source file:org.jfree.chart.demo.StackedBarDemo3.java

public StackedBarDemo3(String s) {
    super(s);/*from   ww w.java2 s.c o m*/
    DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
    defaultcategorydataset.addValue(1.0D, "Row 1", "Column 1");
    defaultcategorydataset.addValue(5D, "Row 1", "Column 2");
    defaultcategorydataset.addValue(3D, "Row 1", "Column 3");
    defaultcategorydataset.addValue(2D, "Row 2", "Column 1");
    defaultcategorydataset.addValue(3D, "Row 2", "Column 2");
    defaultcategorydataset.addValue(2D, "Row 2", "Column 3");
    JFreeChart jfreechart = ChartFactory.createStackedBarChart("StackedBarDemo3", "Category", "Value",
            defaultcategorydataset, PlotOrientation.VERTICAL, true, true, false);
    CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
    StackedBarRenderer stackedbarrenderer = (StackedBarRenderer) categoryplot.getRenderer();
    stackedbarrenderer.setRenderAsPercentages(true);
    NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
    numberaxis.setLabel("Percentage");
    numberaxis.setNumberFormatOverride(new DecimalFormat("0.0%"));
    ChartPanel chartpanel = new ChartPanel(jfreechart, false);
    chartpanel.setPreferredSize(new Dimension(500, 270));
    setContentPane(chartpanel);
}

From source file:de.perdian.commons.lang.conversion.impl.converters.TestStringToNumberConverter.java

@Test
public void testConvertWithFormat() {
    StringToNumberConverter converter = new StringToNumberConverter(new DecimalFormat("00"));
    Assert.assertEquals(42, converter.convert("42").intValue());
}