Java examples for java.util:Second
Formats Time to show as seconds
/** // w w w. ja v a 2s .c o m * Copyright 2011-2012 Cray Inc. All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * * Neither the name Cray Inc. nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **/ import java.io.File; import java.io.FileWriter; import java.util.concurrent.TimeUnit; public class Main{ public static void main(String[] argv) throws Exception{ long time = 2; System.out.println(formatTime(time)); } public static final double NANOSECONDS_PER_MILLISECONDS = 1000000, MILLISECONDS_PER_SECONDS = 1000, SECONDS_PER_HOUR = 3600; /** * Formats Time to show as seconds * @param time Time in nanoseconds * @return Time in seconds */ public static String formatTime(long time) { return BenchmarkerUtils.toSeconds(time) + "s"; } /** * Formats Time to show as seconds * @param time Time in nanoseconds * @return Time in seconds */ public static String formatTime(double time) { return BenchmarkerUtils.toSeconds(time) + "s"; } /** * Converts nanoseconds to seconds * @param nanoseconds */ public static double toSeconds(long nanoseconds) { return toSeconds((double) nanoseconds); } /** * Converts nanoseconds to seconds * @param nanoseconds */ public static double toSeconds(double nanoseconds) { double ms = nanoseconds / NANOSECONDS_PER_MILLISECONDS; return ms / MILLISECONDS_PER_SECONDS; } }