import java.util.Calendar; public class TestTimestamp { public static void main(String[] args) { long t1 = System.currentTimeMillis(); // 代码执行前时间 try { Thread.currentThread().sleep(3160); } catch (Exception err) { err.printStackTrace(); } long t2 = System.currentTimeMillis(); // 代码执行后时间 Calendar c = Calendar.getInstance(); c.setTimeInMillis(t2 - t1); System.out.println("耗时: " + c.get(Calendar.MINUTE) + "分 " + c.get(Calendar.SECOND) + "秒 " + c.get(Calendar.MILLISECOND) + " 微秒"); } }
Java时间戳计算代码执行时间
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转载自irwenqiang.iteye.com/blog/1209403
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