摘要: long begin=System.currentTimeMillis(); //............ long timeValue = System.currentTimeMillis() - begin; System.out.println("耗时:" + timeValue + "毫秒" 阅读全文
posted @ 2020-09-14 10:12 刺猬鱼/ 阅读(2125) 评论(0) 推荐(0)