Here you can find the source of nanoTimeToSeconds(long nanoTime)
public static double nanoTimeToSeconds(long nanoTime)
//package com.java2s; /*//from w w w . ja v a 2 s . c om * TimingUtils.java * Copyright (C) 2007 University of Waikato, Hamilton, New Zealand * @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) * * 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/>. * */ public class Main { public static double nanoTimeToSeconds(long nanoTime) { return nanoTime / 1000000000.0; } }