1
我正在尝试测量115项收集的已用时间。 我的问题是,只有当我正在调试并通过使用StopWatch.stop();
时,我才能测量经过的时间当我运行我的测试正常值StopWatch.stop
是0
,虽然它是一个长期值。首先,我认为我的收藏很小,但这个时间应该作为长期价值传递。从标准库使用StopWatch收集测试
// times-collection will be initialised somewhere else
//---------------------------------------------------------------
for (int i=0; i<10; i++){
final StopWatch stopwatchA = new StopWatch();
final StopWatch stopwatchB = new StopWatch();
Iterator<String> iterator = times.iterator();
stopwatchA.start();
while(iterator.hasNext()){
if (iterator.next().equals("XXX")) {
break;
}
}
stopwatchA.stop();
stopwatchB.start();
for (String tzd : times) {
if (tzd.equals("XXX")) {
break;
}
}
stopwatchB.stop();
if(stopwatchA.getTime() < stopwatchB.getTime()){
System.out.println("ITERATOR IS FASTER: iterator: " + estimatedTimeIterator + " FOR-TIME: " + estimatedTimeFor);
}else if(stopwatchA.getTime() > stopwatchB.getTime()){
System.out.println("FOR IS FASTER: iterator: " + estimatedTimeIterator + " FOR-TIME: " + estimatedTimeFor);
}
}
您正在使用哪个StopWatch?它是春天吗? – developer
您可以使用我使用nanotime编写的这个“计时码表”:https://github.com/marcolopes/dma/blob/master/org.dma.java/src/org/dma/java/util/Chronograph.java – marcolopes