#报错的写法new BigDecimal("1225.121").setScale(2);#正确的写法:增加四舍五入参数 BigDecimal.ROUND_HALF_UPnew BigDecimal("1225.121").setSUND_HALF_UP)
原创 2023-05-26 00:53:15
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以下不会出现问题: [plain] view plain copy print? System.out.println(new BigDecimal("1225.12").setScale(2)); System.out.println(new BigDecimal("1225.1").setSca
转载 2021-08-18 00:28:50
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java.lang.ArithmeticException: Rounding necessary 异常解决方案
原创 2018-08-09 22:43:31
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    BigDecimal调用setScale方法时,当未设置舍入模式时,系统会给个默认ROUND_UNNECESSARY(int 值为7)值,如果小数点后不为零,而且要保留的小数位数小于旧小数位数,那么此时会抛出异常java.lang.ArithmeticException: Rounding necessary。 BigDecimal的setScal
A combination of three fabrics is being chosen to decorate a room.   (a combination of 合成,组成)   For this type of person, the job is a lifelong career.   (a lifelong care
原创 2009-02-14 15:08:45
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在当今的计算机时代,Linux系统已经成为了IT行业中不可或缺的操作系统。作为Linux系统的重要组成部分之一,红帽也日益受到业界关注。 红帽(Red Hat)是一家总部位于美国的知名软件公司,主要致力于Linux操作系统、中间件、虚拟化等领域的产品开发与服务。作为领导者和倡导者,红帽在开源软件领域扮演着重要的角色。它以其稳定和安全的特性赢得了众多企业和用户的青睐。 在Linux系统中,红帽的
原创 5月前
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4#problem/IFor a given positive integer n denote its k-rounding as the minimum positive integer x, such that x ends with k or more zeros in base 10 and...
原创 2022-09-23 10:34:54
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分享知识 传递快乐Double 转 BigDecima l并保留两位小数出现异常: java.lang.ArithmeticException: Rounding necessary 。代码如下:public static void main(String[] args) { Doub
原创 2022-11-01 12:00:23
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SELECT StudentID, AVG(Mark) AS AverageMark, INT(AVG(Mark)) AS RoundDown, ROUND(AVG(Mark) + .5, 0) AS RoundUp, ROUND(AVG(Mark), 0) AS ClosestIntFROM StudentExamGROUP BY StudentID;
转载 2012-06-30 13:37:00
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A. Roundingtime limit per test1 secondmemory limit per
原创 2022-11-22 19:50:15
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Is it necessary to add a @ in front of an SqlParameter name? According to the documentation, the name must start with an @: The ParameterName is speci
转载 2021-02-02 15:14:00
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Created by Wang, Jerry on Dec 17, 2016 Downloading: http://nexus:8081/nexus/content/groups/build.snapshots/org/apache/maven/surefire/surefire-junit47/2.13/surefire-junit47-2.13.pomDownloaded: http://
原创 2021-07-15 13:59:39
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CF898A Rounding CF898A Rounding CF898A Rounding 题意翻译 给你一个数字,将其“四舍六入”,末尾为5舍去或进位都可,求最终的数字。 题目描述 Vasya has a non-negative integer nn . He wants to round
转载 2018-02-11 11:06:00
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http://superuser.com/questions/640954/inkscape-rounding-corners-of-shapesSelect the rectangle or squareSel...
转载 2022-05-02 21:10:57
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A. Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Rounding time limit per te
原创 2021-07-22 16:06:08
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一下答案即可#include <cstdio>#include <cstring>#include <algori
原创 2022-11-23 10:25:07
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点击打开链接B. Weird Roundingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp is crazy about round
原创 2022-09-07 16:49:07
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http://support2.microsoft.com/kb/293781/en-usTrusted root certificates that are required by Windows Server 2008 R2, by Windows 7, by Windows Server 2008Issued toIssued bySerial numberExpiration dateIn
转载 精选 2014-09-29 10:00:33
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题意:给你一个2×n长的序列,进行n次操作,每次操作是选取两个从未选过的数,一个取上整,一个取下整,问你最后能得到最接近原来和的序列是多少。 解题思路:先将所有小数和统计出来,然后再枚举向下取整的个数即可 ,利用的原则是  x + (1-x) = 1;  解题代码: 1 // File Name: 351a.cpg 2 // Author: darkdream 3 // Created
转载 2015-03-08 21:25:00
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http://codeforces.com/contest/352/problem/C题意:给予N*2个数字,改变其中的N个向上进位,N个向下进位,使最后得到得数与原来数的差的绝对值最小对每一个浮点数都取其下限,得到的差值就是所有浮点数小数部分的和;然后则需要从2*n个数里面选出n个数取其上限,即下...
转载 2014-08-22 23:13:00
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