/******************************************************************************* * Copyright (c) 2007, 2011 Association for Decentralized Information Management in * Industry THTH ry. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation *******************************************************************************/ package org.simantics.trend; import java.util.*; import java.text.*; public class DecimalFormatDemo { static public void customFormat(String pattern, double value ) { DecimalFormat myFormatter = new DecimalFormat(pattern); String output = myFormatter.format(value); System.out.println(value + " " + pattern + " " + output); } static public void localizedFormat(String pattern, double value, Locale loc ) { NumberFormat nf = NumberFormat.getNumberInstance(loc); DecimalFormat df = (DecimalFormat)nf; df.applyPattern(pattern); String output = df.format(value); System.out.println(pattern + " " + output + " " + loc.toString()); } static public void main(String[] args) { customFormat("###,###.###", 123456.789); customFormat("###.##", 123456.789); customFormat("000000.000", 123.78); customFormat("$###,###.###", 12345.67); customFormat("\u00a5###,###.###", 12345.67); Locale currentLocale = new Locale("en", "US"); DecimalFormatSymbols unusualSymbols = new DecimalFormatSymbols(currentLocale); unusualSymbols.setDecimalSeparator('|'); unusualSymbols.setGroupingSeparator('^'); String strange = "#,##0.###"; DecimalFormat weirdFormatter = new DecimalFormat(strange, unusualSymbols); weirdFormatter.setGroupingSize(4); String bizarre = weirdFormatter.format(12345.678); System.out.println(bizarre); Locale[] locales = { new Locale("en", "US"), new Locale("de", "DE"), new Locale("fr", "FR") }; for (int i = 0; i < locales.length; i++) { localizedFormat("###,###.###", 123456.789, locales[i]); } } }