Here you can find the source of resetMilliseconds(long msec)
private static long resetMilliseconds(long msec)
//package com.java2s; /*/*from www . j a v a 2s . c o m*/ * Copyright 2008 Google Inc. * * 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 { private static long resetMilliseconds(long msec) { int offset = (int) (msec % 1000); // Normalize if time is before epoch if (offset < 0) { offset += 1000; } return msec - offset; } }