round to nearest one decimal place

public static double round(double value, int scale,int roundingmode) { BigDecimal bd = new BigDecimal(value); bd = bd.setScale(scale,roundingmode); double d = bd.doubleValue(); bd = null; return d; } Scale indicates the number of decimal places, and

Freemarker number formatting can be set in two places, one is global, that is, setting Number_format in the Freemarker.properties file, and the other is to use the string instruction to control the output format of the data. For

Working with Numbers in PL/SQL (use numbers in PL/SQL) This article gives you all the information you need in order to begin working with Numbers in your PL/SQL programs. numbers in PL/SQLPL/SQL offers a variety of numeric datatypes to suit

[Change the scale, background color, or frame rate of the output swf] In the "Navigator" window, right-click your project, select "Properties", select "ActionScript Compiler", and enter the required command in "Additional compiler arguments ". To

This article gives you all the information you need in order to begin working with numbers in your PL/SQL programs.Numbers in PL/SQL PL/SQL offers a variety of numeric datatypes to suit different purposes: Number. A true decimal datatype that is

notes from the "Programmer's SQL Code" by Yang Zhengko, a teacher of the ROC web#创建数据库表CREATE Table T_person (fidnumber VARCHAR ( -), FName varchar ( -), Fbirthday datetime, Fregday datetime, Fweight DECIMAL (Ten,2)) #插入数据insert into T_person

In the project, the float type is used to define some columns, such as price, but many problems are found.1. When the number of bits on the value is greater than 6, the float type is converted to the varchar type, which is displayed in the

BigDecimal How to useBlog Category: Java Basics The Bigdecimalmultiplyadddivide BigDecimal consists of an integer non-scaling value of arbitrary precision and a 32-bit integer scale (scales). If zero or positive, the scale is the number

Original: http://www.2cto.com/database/201310/250880.htmlSQL cast and CONVERT usage detailed   Summary: The following applies only to Mysqlselect {fn CONCAT (CONVERT (User_id,char), user_name)} as Str from T_SYS_ User following this applies only to

"Change the scale, background color, or frame frequency of the output SWF" Right-click your item in the "Navigator" window frame > select "Properties" > select "ActionScript Compiler" > in "Additional Compiler arguments" Enter the command you