com.google.gwt.examples.NumberFormatExample.java Source code

Introduction

Here is the source code for com.google.gwt.examples.NumberFormatExample.java

Source

package com.google.gwt.examples;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.NumberFormat;

public class NumberFormatExample implements EntryPoint {

    public void onModuleLoad() {
        NumberFormat fmt = NumberFormat.getDecimalFormat();
        double value = 12345.6789;
        String formatted = fmt.format(value);
        // Prints 1,2345.6789 in the default locale
        GWT.log("Formatted string is" + formatted);

        // Turn a string back into a double
        value = NumberFormat.getDecimalFormat().parse("12345.6789");
        GWT.log("Parsed value is" + value);

        // Scientific notation
        value = 12345.6789;
        formatted = NumberFormat.getScientificFormat().format(value);
        // prints 1.2345E4 in the default locale
        GWT.log("Formatted string is" + formatted);

        // Currency
        fmt = NumberFormat.getCurrencyFormat();
        formatted = fmt.format(123456.7899);
        // prints US$123,456.79 in the default locale or $123,456.79 in the en_US
        // locale
        GWT.log("Formatted currency is" + formatted);

        // Custom format
        value = 12345.6789;
        formatted = NumberFormat.getFormat("000000.000000").format(value);
        // prints 012345.678900 in the default locale
        GWT.log("Formatted string is" + formatted);
    }
}