大家好,又见面了,我是你们的朋友全栈君。
System.currentTimeMillis()
// 只输出运行多少秒
Stopwatch stopwatch = Stopwatch.createStarted();
stopwatch.stop();
System.out.println(stopwatch.elapsed(TimeUnit.SECONDS) + "s");
//
StopWatch sw = new StopWatch("test");
sw.start("task1");
// do something
Thread.sleep(100);
sw.stop();
sw.start("task2");
// do something
Thread.sleep(200);
sw.stop();
System.out.println(sw.prettyPrint());
运行结果:
2s
StopWatch 'test': running time (millis) = 308
-----------------------------------------
ms % Task name
-----------------------------------------
00104 034% task1
00204 066% task2
参考:https://blog.csdn.net/gxs1688/article/details/87185030
发布者:全栈程序员栈长,转载请注明出处:https://javaforall.cn/152462.html原文链接:https://javaforall.cn