Here you can find the source of currentTimeSeconds()
public static long currentTimeSeconds()
//package com.java2s; /*/*from w w w. j a v a 2s . c o m*/ * [license] * Common tools * ---- * Copyright (C) 2013 - 2014 Dudie * ---- * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * [/license] */ public class Main { /** How many milliseconds in one second. */ private static final int ONE_SECOND_IN_MILLISECONDS = 1000; /** * Gets a unix timestamp in seconds. * * @return the amount of seconds since 1970-01-01 */ public static long currentTimeSeconds() { return (System.currentTimeMillis() / ONE_SECOND_IN_MILLISECONDS); } }