ArrayList test(LAST=21474836) 2019-12-10T16:22:44.494 2019-12-10T16:22:51.744 making list done. elapsed=7249 2019-12-10T16:22:56.218 finding done. elapsed=4474
ArrayList test(LAST=21474836) 2019-12-10T16:24:44.290 2019-12-10T16:24:51.288 making list done. elapsed=6998 2019-12-10T16:24:55.425 finding done. elapsed=4137
HashSet test(LAST=21474836) 2019-12-10T16:26:21.311 2019-12-10T16:26:28.642 making list done. elapsed=7331 2019-12-10T16:26:28.653 finding done. elapsed=11
HashSet test(LAST=21474836) 2019-12-10T16:26:44.226 2019-12-10T16:26:51.649 making list done. elapsed=7423 2019-12-10T16:26:51.658 finding done. elapsed=9