Here you can find the source of formatElapsedTime(double runTime)
public static String formatElapsedTime(double runTime)
//package com.java2s; /*/* w w w . jav a 2 s .c om*/ * 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.NumberFormat; import java.util.Locale; public class Main { private static final int MS_PER_SEC = 1000; public static String formatElapsedTime(double runTime) { NumberFormat numberFormat = NumberFormat.getInstance(Locale.ENGLISH); return numberFormat.format(runTime / MS_PER_SEC); } }