Example usage for java.lang Double Double

Introduction

In this page you can find the example usage for java.lang Double Double.

Prototype

@Deprecated(since = "9")
public Double(String s) throws NumberFormatException 

Source Link

Document

Constructs a newly allocated Double object that represents the floating-point value of type double represented by the string.

Usage

From source file:Main.java

public static void main(String[] argv) {
    DefaultTableModel model = new DefaultTableModel() {
        public Class getColumnClass(int columnIndex) {
            Object o = getValueAt(0, columnIndex);
            if (o == null) {
                return Object.class;
            } else {
                return o.getClass();
            }/*from ww  w  .  j  a va  2 s. c  o  m*/
        }
    };
    JTable table = new JTable(model);

    model.addColumn("Boolean", new Object[] { Boolean.TRUE });
    model.addColumn("Date", new Object[] { new Date() });
    model.addColumn("Double", new Object[] { new Double(Math.PI) });
    model.addColumn("Float", new Object[] { new Float(1.2) });
    model.addColumn("Icon", new Object[] { new ImageIcon("icon.gif") });
    model.addColumn("Number", new Object[] { new Integer(1) });
    model.addColumn("Object", new Object[] { "object" });

    Enumeration e = table.getColumnModel().getColumns();
    TableColumn col = (TableColumn) e.nextElement();

    col.setCellRenderer(table.getDefaultRenderer(Boolean.class));
    col.setCellEditor(table.getDefaultEditor(Boolean.class));

    JFrame f = new JFrame();
    f.setSize(300, 300);
    f.add(new JScrollPane(table));
    f.setVisible(true);
}

---

From source file:SortByMark.java

public static void main(String args[]) {
    List<Student> students = new ArrayList<Student>();
    SortByMark sortByMark = new SortByMark();

    students.add(new Student("A", new Double(34.34)));
    students.add(new Student("C", new Double(123.22)));
    students.add(new Student("B", new Double(13.00)));
    students.add(new Student("Z", new Double(99.22)));
    students.add(new Student("X", new Double(-19.08)));

    Collections.sort(students, sortByMark);

    for (Student student : students) {
        System.out.println(student);
    }//from   w w w .  j a v a  2  s .co  m
}

---

From source file:FloatCmp.java

public static void main(String[] argv) {
    double da = 3 * .3333333333;
    double db = 0.99999992857;

    // Compare two numbers that are expected to be close.
    if (da == db) {
        System.out.println("Java considers " + da + "==" + db);
        // else compare with our own equals method
    } else if (equals(da, db, 0.0000001)) {
        System.out.println("True within epsilon " + EPSILON);
    } else {/*from w  ww. j av a 2  s  .  co m*/
        System.out.println(da + " != " + db);
    }

    // Show that comparing two NaNs is not a good idea:
    double d1 = Double.NaN;
    double d2 = Double.NaN;
    if (d1 == d2)
        System.err.println("Comparing two NaNs incorrectly returns true.");
    if (!new Double(d1).equals(new Double(d2)))
        System.err.println("Double(NaN).equal(NaN) incorrectly returns false.");
}

---

From source file:ArrayEnumerationFactory.java

public static void main(String args[]) {
    Enumeration e = makeEnumeration(args);
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }//  www  . j a v  a  2  s . com
    e = makeEnumeration(new int[] { 1, 3, 4, 5 });
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }
    try {
        e = makeEnumeration(new Double(Math.PI));
    } catch (IllegalArgumentException ex) {
        System.err.println("Can't enumerate that: " + ex.getMessage());
    }
}

---

From source file:ArraysTester.java

public static void main(String[] args) {
    ArraysTester tester = new ArraysTester(50);
    int[] myArray = tester.get();

    // Compare two arrays
    int[] myOtherArray = tester.get().clone();
    if (Arrays.equals(myArray, myOtherArray)) {
        System.out.println("The two arrays are equal!");
    } else {//from ww  w  .  java 2  s  .  c  o m
        System.out.println("The two arrays are not equal!");
    }

    // Fill up some values
    Arrays.fill(myOtherArray, 2, 10, new Double(Math.PI).intValue());
    myArray[30] = 98;

    // Print array, as is
    System.out.println("Here's the unsorted array...");
    System.out.println(Arrays.toString(myArray));
    System.out.println();

    // Sort the array
    Arrays.sort(myArray);

    // print array, sorted
    System.out.println("Here's the sorted array...");
    System.out.println(Arrays.toString(myArray));
    System.out.println();

    // Get the index of a particular value
    int index = Arrays.binarySearch(myArray, 98);
    System.out.println("98 is located in the array at index " + index);

    String[][] ticTacToe = { { "X", "O", "O" }, { "O", "X", "X" }, { "X", "O", "X" } };
    System.out.println(Arrays.deepToString(ticTacToe));

    String[][] ticTacToe2 = { { "O", "O", "X" }, { "O", "X", "X" }, { "X", "O", "X" } };

    String[][] ticTacToe3 = { { "X", "O", "O" }, { "O", "X", "X" }, { "X", "O", "X" } };

    if (Arrays.deepEquals(ticTacToe, ticTacToe2)) {
        System.out.println("Boards 1 and 2 are equal.");
    } else {
        System.out.println("Boards 1 and 2 are not equal.");
    }

    if (Arrays.deepEquals(ticTacToe, ticTacToe3)) {
        System.out.println("Boards 1 and 3 are equal.");
    } else {
        System.out.println("Boards 1 and 3 are not equal.");
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    int SIZE = 14;
    String FONT = "Dialog";

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextPane tp = new JTextPane();
    tp.setFont(new Font(FONT, Font.PLAIN, SIZE));
    tp.setPreferredSize(new Dimension(400, 300));
    StyledDocument doc = tp.getStyledDocument();
    Style defaultStyle = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
    Style boldStyle = doc.addStyle("bold", defaultStyle);
    StyleConstants.setBold(boldStyle, true);
    String boldText = "this is bold test";
    String plainText = "this is plain.";

    doc.insertString(doc.getLength(), boldText, boldStyle);
    doc.insertString(doc.getLength(), plainText, defaultStyle);

    JPanel panel = new JPanel();
    panel.add(tp);/*  ww  w  .j a v  a  2 s . c o m*/

    JComboBox<String> zoomCombo = new JComboBox<String>(
            new String[] { "0.75", "1.00", "1.50", "1.75", "2.00" });
    zoomCombo.addActionListener(e -> {
        String s = (String) zoomCombo.getSelectedItem();
        double scale = new Double(s).doubleValue();
        int size = (int) (SIZE * scale);
        tp.setFont(new Font(FONT, Font.PLAIN, size));
    });
    zoomCombo.setSelectedItem("1.00");
    JPanel optionsPanel = new JPanel();
    optionsPanel.add(zoomCombo);
    panel.setBackground(Color.WHITE);
    frame.add(panel, BorderLayout.CENTER);
    frame.add(optionsPanel, BorderLayout.NORTH);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:NumberDemo.java

public static void main(String args[]) {
    Float one = new Float(14.78f - 13.78f);
    Float oneAgain = Float.valueOf("1.0");
    Double doubleOne = new Double(1.0);

    int difference = one.compareTo(oneAgain);

    if (difference == 0) {
        System.out.println("one is equal to oneAgain.");
    } else if (difference < 0) {
        System.out.println("one is less than oneAgain.");
    } else if (difference > 0) {
        System.out.println("one is greater than oneAgain.");
    }//  w  w  w.j  a v  a  2s  .c om

    System.out.println("one is " + ((one.equals(doubleOne)) ? "equal" : "not equal") + " to doubleOne.");

}

---

From source file:org.jfree.chart.demo.ImageMapDemo2.java

/**
 * The starting point for the demo./*from   ww  w  .  j a  v a 2  s .c o  m*/
 *
 * @param args  ignored.
 */
public static void main(final String[] args) {

    // create a chart
    final DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("One", new Double(43.2));
    data.setValue("Two", new Double(10.0));
    data.setValue("Three", new Double(27.5));
    data.setValue("Four", new Double(17.5));
    data.setValue("Five", new Double(11.0));
    data.setValue("Six", new Double(19.4));

    JFreeChart chart = null;
    final boolean drilldown = true;

    // create the chart...
    if (drilldown) {
        final PiePlot plot = new PiePlot(data);
        //          plot.setInsets(new Insets(0, 5, 5, 5));
        plot.setToolTipGenerator(new StandardPieItemLabelGenerator());
        plot.setURLGenerator(new StandardPieURLGenerator("pie_chart_detail.jsp"));
        chart = new JFreeChart("Pie Chart Demo 1", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    } else {
        chart = ChartFactory.createPieChart("Pie Chart Demo 1", // chart title
                data, // data
                true, // include legend
                true, false);
    }
    chart.setBackgroundPaint(java.awt.Color.white);

    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************

    // save it to an image
    try {
        final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        final File file1 = new File("piechart100.png");
        ChartUtilities.saveChartAsPNG(file1, chart, 600, 400, info);

        // write an HTML page incorporating the image with an image map
        final File file2 = new File("piechart100.html");
        final OutputStream out = new BufferedOutputStream(new FileOutputStream(file2));
        final PrintWriter writer = new PrintWriter(out);
        writer.println("<HTML>");
        writer.println("<HEAD><TITLE>JFreeChart Image Map Demo 2</TITLE></HEAD>");
        writer.println("<BODY>");
        //            ChartUtilities.writeImageMap(writer, "chart", info);
        writer.println("<IMG SRC=\"piechart100.png\" "
                + "WIDTH=\"600\" HEIGHT=\"400\" BORDER=\"0\" USEMAP=\"#chart\">");
        writer.println("</BODY>");
        writer.println("</HTML>");
        writer.close();

    } catch (IOException e) {
        System.out.println(e.toString());
    }

}

---

From source file:cn.edu.thss.iise.bpmdemo.charts.ThermometerDemo2.java

/**
 * Starting point for the demonstration application.
 *
 * @param args/*from   w ww .j  av a 2s.c om*/
 *            ignored.
 * @throws InterruptedException
 */
public static void main(final String[] args) throws InterruptedException {

    ThermometerDemo2 demo = new ThermometerDemo2("Thermometer Demo 2");
    demo.pack();
    demo.setVisible(true);

    int i = 0;
    for (i = 0; i < 10; i++) {
        Thread.sleep(1000);
        demo.dataset.setValue(new Double(new Double(10.0 * i)));
    }
}

---

From source file:org.jfree.chart.demo.PerformanceTest1.java

public static void main(String args[]) {
    ArrayList<Double> arraylist = new ArrayList<Double>();
    for (int i = 0; i < 4000; i++)
        arraylist.add(new Double(Math.random()));

    int j = 0;/*ww w  .j ava2  s.  c o  m*/
    for (int k = 0; k < 20000; k++) {
        long l = System.currentTimeMillis();
        for (int i1 = 0; i1 < 0xf4240; i1++)
            j += i1;

        long l1 = System.currentTimeMillis();
        System.out.println(k + " --> " + (l1 - l) + " (" + Runtime.getRuntime().freeMemory() + " / "
                + Runtime.getRuntime().totalMemory() + ")");
    }

}

---

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