标签：watch span stop long 计时 col nbsp color style
Stopwatch stopwatch =newStopwatch().start(); //do something test for(int i =0; i <10000; i++){
} long nanos = stopwatch.elapsed(TimeUnit.NANOSECONDS); System.out.println(nanos);
标签：watch span stop long 计时 col nbsp color style
原文地址：https://www.cnblogs.com/frankyou/p/9910512.html
