Here you can find the source of format(double value)
public static String format(double value)
//package com.java2s; /*/* w w w . ja v a 2s .com*/ * Copyright (C) 2011 Brockmann Consult GmbH (info@brockmann-consult.de) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 3 of the License, or (at your option) * any later version. * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see http://www.gnu.org/licenses/ */ import java.text.DecimalFormat; import java.text.DecimalFormatSymbols; public class Main { public static String format(double value) { DecimalFormat format = new DecimalFormat("0.00"); DecimalFormatSymbols instance = DecimalFormatSymbols.getInstance(); instance.setDecimalSeparator('.'); format.setDecimalFormatSymbols(instance); return format.format(value); } }