摘要: round 四舍五入 Math.floor(该参数+0.5)long round = Math.round(5.51);System.out.println(round);//6sqrt 求开方double sqrt = Math.sqrt(9.0);System.out.println(sqrt) 阅读全文
posted @ 2023-07-23 19:29 夏季彼岸德 阅读(12) 评论(0) 推荐(0)