Example usage for java.text DecimalFormat 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

public static void main(String[] argv) throws Exception {
    JFormattedTextField tft2 = new JFormattedTextField(new DecimalFormat("#.0"));
    tft2.setValue(new Float(123.4F));

    // Retrieve the value from the text field
    Float floatValue = (Float) tft2.getValue();

}

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From source file:Main.java

public static void main(String[] args) {
    int areaCode = 123;
    int exchangeCode = 456;

    NumberFormat nf3 = new DecimalFormat("0000");

    System.out.println(nf3.format(areaCode) + "-" + nf3.format(exchangeCode));
}

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From source file:HTMLDemo.java

public static void main(String[] a) throws IOException {
    PrintWriter pw = new PrintWriter(new FileWriter("test.html"));
    DecimalFormat ff = new DecimalFormat("#0"), cf = new DecimalFormat("0.0");
    pw.println("<TABLE BORDER><TR><TH>Fahrenheit<TH>Celsius</TR>");
    for (double f = 100; f <= 400; f += 10) {
        double c = 5 * (f - 32) / 9;
        pw.println("<TR ALIGN=RIGHT><TD>" + ff.format(f) + "<TD>" + cf.format(c));
    }//from w ww .  j  a v a2 s. co  m
    pw.println("</TABLE>");
    pw.close(); // Without this, the output file may be empty
}

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From source file:Main.java

public static void main(String[] args) {
    DecimalFormat format = new DecimalFormat("####.##");
    format.setMinimumFractionDigits(2);//from w  ww . ja  v  a2s. com
    final JFormattedTextField field1 = new JFormattedTextField(format);
    final JFormattedTextField field2 = new JFormattedTextField(format);
    field1.setColumns(15);
    field2.setColumns(15);
    JButton btn = new JButton(new AbstractAction("Multiply by 2") {

        @Override
        public void actionPerformed(ActionEvent e) {
            Number value = (Number) field1.getValue();
            if (value != null) {
                field2.setValue(2 * value.doubleValue());
            }
        }
    });

    JPanel panel = new JPanel();
    panel.add(field1);
    panel.add(btn);
    panel.add(field2);
    JOptionPane.showMessageDialog(null, panel);
}

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From source file:Main.java

public static void main(String[] argv) {
    JFormattedTextField f = new JFormattedTextField(new BigDecimal("123.4567"));
    DefaultFormatter fmt = new NumberFormatter(new DecimalFormat("#.0###############"));
    fmt.setValueClass(f.getValue().getClass());
    DefaultFormatterFactory fmtFactory = new DefaultFormatterFactory(fmt, fmt, fmt);
    f.setFormatterFactory(fmtFactory);/* w w  w .  j a v  a 2s.  c  o m*/

    BigDecimal bigValue = (BigDecimal) f.getValue();

}

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From source file:Main.java

public static void main(String[] args) {
    long time = System.currentTimeMillis();
    Date d = new Date(time);
    Timestamp t = new Timestamp(time);
    t.setNanos(123456789);/*w  w  w  .  ja va  2 s .com*/
    System.out.println(d);
    System.out.println(t);
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss'.'");
    NumberFormat nf = new DecimalFormat("000000000");
    System.out.println(df.format(t.getTime()) + nf.format(t.getNanos()));
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Box form = Box.createVerticalBox();
    form.add(new JLabel("Name:"));
    form.add(new JTextField("User Name"));

    form.add(new JLabel("Birthday:"));
    JFormattedTextField birthdayField = new JFormattedTextField(new SimpleDateFormat("MM/dd/yy"));
    birthdayField.setValue(new Date());
    form.add(birthdayField);//from  ww  w.ja v a  2s  .co m

    form.add(new JLabel("Age:"));
    form.add(new JFormattedTextField(new Integer(32)));

    form.add(new JLabel("Hairs on Body:"));
    JFormattedTextField hairsField = new JFormattedTextField(new DecimalFormat("###,###"));
    hairsField.setValue(new Integer(100000));
    form.add(hairsField);

    form.add(new JLabel("Phone Number:"));
    JFormattedTextField phoneField = new JFormattedTextField(new MaskFormatter("(###)###-####"));
    phoneField.setValue("(314)888-1234");
    form.add(phoneField);

    JFrame frame = new JFrame("User Information");
    frame.getContentPane().add(form);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

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From source file:jat.examples.TwoBodyExample.TwoBodyExample.java

public static void main(String[] args) {

    TwoBodyExample x = new TwoBodyExample();

    // create a TwoBody orbit using orbit elements
    TwoBodyAPL sat = new TwoBodyAPL(7000.0, 0.3, 0.0, 0.0, 0.0, 0.0);

    double[] y = sat.randv();

    ArrayRealVector v = new ArrayRealVector(y);

    DecimalFormat df2 = new DecimalFormat("#,###,###,##0.00");
    RealVectorFormat format = new RealVectorFormat(df2);
    System.out.println(format.format(v));

    // find out the period of the orbit
    double period = sat.period();

    // set the final time = one orbit period
    double tf = period;

    // set the initial time to zero
    double t0 = 0.0;

    // propagate the orbit
    FirstOrderIntegrator dp853 = new DormandPrince853Integrator(1.0e-8, 100.0, 1.0e-10, 1.0e-10);
    dp853.addStepHandler(sat.stepHandler);
    // double[] y = new double[] { 7000.0, 0, 0, .0, 8, 0 }; // initial
    // state/*from  ww  w  . j  a v a2 s .  c o m*/

    dp853.integrate(sat, 0.0, y, 8000, y); // now y contains final state at
    // tf

    Double[] objArray = sat.time.toArray(new Double[sat.time.size()]);
    double[] timeArray = ArrayUtils.toPrimitive(objArray);
    double[] xsolArray = ArrayUtils.toPrimitive(sat.xsol.toArray(new Double[sat.time.size()]));
    double[] ysolArray = ArrayUtils.toPrimitive(sat.ysol.toArray(new Double[sat.time.size()]));

    double[][] XY = new double[timeArray.length][2];

    // int a=0;
    // System.arraycopy(timeArray,0,XY[a],0,timeArray.length);
    // System.arraycopy(ysolArray,0,XY[1],0,ysolArray.length);

    for (int i = 0; i < timeArray.length; i++) {
        XY[i][0] = xsolArray[i];
        XY[i][1] = ysolArray[i];
    }

    Plot2DPanel p = new Plot2DPanel();

    // Plot2DPanel p = new Plot2DPanel(min, max, axesScales, axesLabels);

    ScatterPlot s = new ScatterPlot("orbit", Color.RED, XY);
    // LinePlot l = new LinePlot("sin", Color.RED, XY);
    // l.closed_curve = false;
    // l.draw_dot = true;
    p.addPlot(s);
    p.setLegendOrientation(PlotPanel.SOUTH);
    double plotSize = 10000.;
    double[] min = { -plotSize, -plotSize };
    double[] max = { plotSize, plotSize };
    p.setFixedBounds(min, max);

    new FrameView(p).setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    System.out.println("end");

}

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From source file:FPAdder.java

public static void main(String[] args) {

    int numArgs = args.length;

    //this program requires at least two arguments on the command line
    if (numArgs < 2) {
        System.out.println("This program requires two command-line arguments.");
    } else {/*w  w w. j a v  a2  s  .c  o m*/
        double sum = 0.0;

        for (int i = 0; i < numArgs; i++) {
            sum += Double.valueOf(args[i]).doubleValue();
        }

        //format the sum
        DecimalFormat myFormatter = new DecimalFormat("###,###.##");
        String output = myFormatter.format(sum);

        //print the sum
        System.out.println(output);
    }
}

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From source file:net.morphbank.webclient.ProcessFiles.java

/**
 * @param args/*from   w ww  .jav  a 2s .co  m*/
 *            args[0] directory including terminal '/' 
 *            args[1] prefix of request files 
 *            args[2] number of digits in file index value
 *            args[3] number of files 
 *            args[4] index of first file (default 0) 
 *            args[5] prefix of service 
 *            args[6] prefix of response files (default args[1] + "Resp")
 */
public static void main(String[] args) {
    ProcessFiles fileProcessor = new ProcessFiles();
    // restTest.processRequest(URL, UPLOAD_FILE);

    String zeros = "0000000";

    if (args.length < 4) {
        System.out.println("Too few parameters");
    } else {
        try {
            // get parameters
            String reqDir = args[0];
            String reqPrefix = args[1];
            int numDigits = Integer.valueOf(args[2]);
            if (numDigits > zeros.length())
                numDigits = zeros.length();
            NumberFormat intFormat = new DecimalFormat(zeros.substring(0, numDigits));
            int numFiles = Integer.valueOf(args[3]);
            int firstFile = 0;

            BufferedReader fileIn = new BufferedReader(new FileReader(FILE_IN_PATH));
            String line = fileIn.readLine();
            fileIn.close();
            firstFile = Integer.valueOf(line);
            // firstFile = 189;
            // numFiles = 1;
            int lastFile = firstFile + numFiles - 1;
            String url = URL;
            String respPrefix = reqPrefix + "Resp";
            if (args.length > 5)
                respPrefix = args[5];
            if (args.length > 6)
                url = args[6];

            // process files
            for (int i = firstFile; i <= lastFile; i++) {
                String xmlOutputFile = null;
                String requestFile = reqDir + reqPrefix + intFormat.format(i) + ".xml";
                System.out.println("Processing request file " + requestFile);
                String responseFile = reqDir + respPrefix + intFormat.format(i) + ".xml";
                System.out.println("Response file " + responseFile);
                // restTest.processRequest(URL, UPLOAD_FILE);
                fileProcessor.processRequest(url, requestFile, responseFile);
                Writer fileOut = new FileWriter(FILE_IN_PATH, false);
                fileOut.append(Integer.toString(i + 1));
                fileOut.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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