Example usage for java.text NumberFormat getNumberInstance

Introduction

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

Prototype

public static final NumberFormat getNumberInstance()

Source Link

Document

Returns a general-purpose number format for the current default java.util.Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

public static void main(String[] args) {
    NumberFormat numberFormatGuFalse = NumberFormat.getNumberInstance();
    numberFormatGuFalse.setGroupingUsed(false);
    JFormattedTextField jftFieldGuFalse = new JFormattedTextField(numberFormatGuFalse);

    NumberFormat numberFormatGuTrue = NumberFormat.getNumberInstance();
    // numberFormatGuFalse.setGroupingUsed(true); // not necessary as is default
    JFormattedTextField jftFieldGuTrue = new JFormattedTextField(numberFormatGuTrue);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(jftFieldGuFalse, BorderLayout.NORTH);
    panel.add(jftFieldGuTrue, BorderLayout.SOUTH);

    JFrame frame = new JFrame();
    frame.getContentPane().add(panel);/*from   ww  w  .  j a  v  a 2  s.c om*/
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    NumberFormat numberFormat = NumberFormat.getInstance();
    numberFormat.setParseIntegerOnly(false);
    double usersNumber = 1976.0826;

    numberFormat = NumberFormat.getNumberInstance();
    System.out.println("User's number (DEFAULT LOCALE): " + numberFormat.format(usersNumber));

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    NumberFormat format = NumberFormat.getNumberInstance();
    format.setMaximumFractionDigits(2);//ww  w  .  j a v  a  2 s. c  o m
    format.setMinimumFractionDigits(2);
    format.setParseIntegerOnly(true);
    format.setRoundingMode(RoundingMode.HALF_UP);

    NumberFormatter formatter = new NumberFormatter(format);
    formatter.setMaximum(1000);
    formatter.setMinimum(0.0);
    formatter.setAllowsInvalid(false);
    // formatter.setOverwriteMode(false);

    JFormattedTextField tf = new JFormattedTextField(formatter);
    tf.setColumns(10);
    tf.setValue(123456789.99);
    JFormattedTextField tf1 = new JFormattedTextField(formatter);
    tf1.setValue(1234567890.99);
    JFormattedTextField tf2 = new JFormattedTextField(formatter);
    tf2.setValue(1111.1111);
    JFormattedTextField tf3 = new JFormattedTextField(formatter);
    tf3.setValue(-1111.1111);
    JFormattedTextField tf4 = new JFormattedTextField(formatter);
    tf4.setValue(-56);

    JFrame frame = new JFrame("Test");
    frame.setLayout(new GridLayout(5, 0));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(tf);
    frame.add(tf1);
    frame.add(tf2);
    frame.add(tf3);
    frame.add(tf4);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String... args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel contentPane = new JPanel();

    JFormattedTextField ftf = new JFormattedTextField(NumberFormat.getNumberInstance());
    ftf.setColumns(10);//from ww  w. j  a  v a  2 s  .  co m
    ftf.setFocusLostBehavior(JFormattedTextField.PERSIST);
    ftf.setValue(100);
    lastValidValue = "100";
    ftf.addCaretListener(e -> {
        System.out.println("Last Valid Value : " + lastValidValue);
        if (ftf.isEditValid()) {
            String latestValue = ftf.getText();
            System.out.println("Latest Value : " + latestValue);
            if (!(latestValue.equals(lastValidValue)))
                ftf.setBackground(Color.YELLOW.darker());
            else {
                lastValidValue = ftf.getText();
                ftf.setBackground(Color.WHITE);
            }
        } else {
            System.out.println("Invalid Edit Entered.");
        }
    });
    contentPane.add(ftf);
    frame.setContentPane(contentPane);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    final JFormattedTextField textField1 = new JFormattedTextField(new Float(10.01));
    textField1.setFormatterFactory(new AbstractFormatterFactory() {
        @Override/*from w  w  w . j  a v  a2 s  . c  o  m*/
        public AbstractFormatter getFormatter(JFormattedTextField tf) {
            NumberFormat format = DecimalFormat.getInstance();
            format.setMinimumFractionDigits(2);
            format.setMaximumFractionDigits(2);
            format.setRoundingMode(RoundingMode.HALF_UP);
            InternationalFormatter formatter = new InternationalFormatter(format);
            formatter.setAllowsInvalid(false);
            formatter.setMinimum(0.0);
            formatter.setMaximum(1000.00);
            return formatter;
        }
    });
    NumberFormat numberFormat = NumberFormat.getNumberInstance();
    numberFormat.setMaximumFractionDigits(2);
    numberFormat.setMaximumFractionDigits(2);
    numberFormat.setRoundingMode(RoundingMode.HALF_UP);
    final JFormattedTextField textField2 = new JFormattedTextField(numberFormat);
    textField2.setValue(new Float(10.01));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(textField1, BorderLayout.NORTH);
    frame.add(textField2, BorderLayout.SOUTH);
    frame.setVisible(true);
    frame.pack();
}

From source file:Main.java

public static String toNumberFormat(long value) {
    NumberFormat nf = NumberFormat.getNumberInstance();
    nf.setMaximumFractionDigits(0);/*from   www . ja va 2  s  .com*/
    return nf.format(value);
}

From source file:Main.java

public static String numFormat(int len, int num) {
    NumberFormat formatter = NumberFormat.getNumberInstance();
    formatter.setMinimumIntegerDigits(len);
    formatter.setGroupingUsed(false);//from  ww w . ja  va2 s .  c om
    String numStr = formatter.format(num);
    return numStr;
}

From source file:Main.java

public static String formatStringTwoDecPercent(float number) {
    NumberFormat formatter = NumberFormat.getNumberInstance();
    formatter.setMinimumFractionDigits(0);
    formatter.setMaximumFractionDigits(2);

    return String.valueOf(formatter.format(number) + "%");
}

From source file:Main.java

public static double String2AmountFloat(String str) {
    try {/*from  w ww. j  a v  a2  s.c  o m*/
        String tempStr = NumberFormat.getNumberInstance().format(Long.parseLong(str, 10)).replace(",", "");
        return Long.parseLong(tempStr) / 100.00;
    } catch (Exception e) {
        e.printStackTrace();
        return 0.00;
    }
}

From source file:Main.java

public static long String2AmountFloat4QPOS(String str) {
    try {//from   w  w  w .  ja va 2  s  . c om
        String tempStr = NumberFormat.getNumberInstance().format(Long.parseLong(str, 10)).replace(",", "");
        return Long.parseLong(tempStr);
    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    }
}