guava的停表使用, Stopwatch

停表使用, Stopwatch"/>

guava的停表使用, Stopwatch

import com.googlemon.base.Stopwatch;import java.util.concurrent.TimeUnit;/*** Created by fhqplzj on 17-2-16 at 下午9:57.*/
public class My4 {public static void main(String[] args) {Stopwatch stopwatch = Stopwatch.createStarted();try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}System.out.println(stopwatch.elapsed(TimeUnit.MILLISECONDS));stopwatch.reset();stopwatch.start();try {Thread.sleep(20);} catch (InterruptedException e) {e.printStackTrace();}System.out.println(stopwatch.elapsed(TimeUnit.MILLISECONDS));}
}