public class TimeConsumptionDemo { public static void main(String[] args) throws InterruptedException { long begin = System.currentTimeMillis(); Thread.sleep(5000); long end = System.currentTimeMillis(); System.out.println(String.format("程序执行耗时:%s", diffTime(begin,end))); } /** * Desc: 计算时间差 方式一 * long begin = System.currentTimeMillis(); * long end = System.currentTimeMillis(); * @param begin * @param end * @return */ public static String diffTime(long begin, long end) { long diff = Math.abs(end - begin); long days = diff / (1000 * 60 * 60 * 24); long hours = (diff-days*(1000 * 60 * 60 * 24))/(1000* 60 * 60); //获取时 long minutes = (diff-days*(1000 * 60 * 60 * 24)-hours*(1000* 60 * 60))/(1000* 60); //获取分钟 long s=(diff/1000-days*24*60*60-hours*60*60-minutes*60);//获取秒 return hours+"时"+minutes+"分"+s+"秒"; } }
方式2:使用org.apache.commons.lang3.time.StopWatch
计时
import org.apache.commons.lang3.time.StopWatch; StopWatch sw = StopWatch.createStarted(); Thread.sleep(5000); System.out.println(String.format("程序执行耗时:%s", sw));