Here you can find the source of format(Number price)
public static String format(Number price)
//package com.java2s; /*/*from w w w.j a v a 2s .co m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.text.DateFormat; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import java.util.Date; public class Main { /** * Converts the given number in currency format. */ public static final DecimalFormat currencyFormatter = new DecimalFormat("###.##"); public static final DateFormat dateFormatter = new SimpleDateFormat("MMM dd, HH:mm"); public static String format(Number price) { return currencyFormatter.format(price); } public static String format(Date date) { return dateFormatter.format(date); } }