Here you can find the source of formatDollarAmount(float amount)
public static String formatDollarAmount(float amount)
//package com.java2s; /*// w w w.j av a2 s. c o m This file is part of OpenMyEWB. OpenMyEWB 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. OpenMyEWB 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 OpenMyEWB. If not, see <http://www.gnu.org/licenses/>. OpenMyEWB is Copyright 2005-2009 Nicolas Kruchten (nicolas@kruchten.com), Francis Kung, Engineers Without Borders Canada, Michael Trauttmansdorff, Jon Fishbein, David Kadish */ import java.text.DecimalFormat; public class Main { private static DecimalFormat decimalFormat = new DecimalFormat( "$###,###.00"); public static String formatDollarAmount(float amount) { return decimalFormat.format(amount); } }