Here you can find the source of formatNumber(Number number)
public static String formatNumber(Number number)
//package com.java2s; /*/* w w w .j a va 2 s .c o m*/ * Copyright (c) 2011 Salzburg Research. * * Licensed 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.NumberFormat; import java.util.Locale; public class Main { public static String formatNumber(Number number) { NumberFormat format = NumberFormat.getNumberInstance(Locale .getDefault()); return format.format(number); } }