Java tutorial
/* Demo of Google Guava Stopwatch class * * Mark J. Nenadov (2011) * Essex, Ontario * Email: <marknenadov@gmail.com> * * LICENSING * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser 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/>. * */ import com.google.common.base.Stopwatch; import java.util.concurrent.TimeUnit; public class GuavaStopwatch { public static void main(String args[]) { demonstrateStopwatch(); } private static void demonstrateStopwatch() { Stopwatch stopWatch = new Stopwatch(); System.out.println("Is stopwatch running? " + stopWatch.isRunning()); stopWatch.start(); for (int i = 0; i < 1000; i++) { System.out.println("Is stopwatch running? " + stopWatch.isRunning()); } stopWatch.stop(); System.out.println("Our loop took : " + stopWatch.elapsedTime(TimeUnit.MILLISECONDS) + " milliseconds"); } }