Here you can find the source of formatMicroSpan(long time)
public static String formatMicroSpan(long time)
//package com.java2s; /*//from ww w. j ava 2s. c o m * Copyright (C) 2016 Dmitry Kotlyarov. * All Rights Reserved. * * 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. */ public class Main { public static String formatMicroSpan(long time) { long timeHigh = time / 1000L; long timeLow = time % 1000L; return String.format("%d.%03d", timeHigh, timeLow); } public static String format(long time) { return String.format("%1$tY.%1$tm.%1$td %1$tH:%1$tM:%1$tS.%1$tL", time); } }