round to one decimal place java

// Poj 1131 Al fractions decimal conversion between any hexadecimal notation// You must convert an octal decimal point to a decimal point,// The number of decimal places after conversion is three times the number of decimal places in the first eight

1 PackageMath;2 3 Public classTestmath_round {4 Public Static voidMain (string[] args) {5SYSTEM.OUT.PRINTLN (Math.Round (0.5));//16System.out.println (Math.Round (-0.5));//07System.out.println (Math.Round (-0.501));//-18 //the Math

Contents [Hide] 1 the Problem 2 Primer on Financial Issues 3 introducing BigDecimal 4 rounding and Scalin 5 immutability and Arithm Etic 6 Comparison 7 "to" Round:thoughts on Precision 8 Appendix 8.1 API Reference 8.2 ofbiz Framework 8.3 Minilang

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

I. Loss of precision in floating-point calculationsProbably a lot of friends with programming experience are not familiar with this problem: no matter what programming language you use, when you use floating-point data for accurate calculations, you

First day1.Linux:Open source operating system, free, server-sideDirectory (/root directory), mount point (directory), highCommand-based----PWD,LS,CDAbsolute path, relative path2.java Operating Environment:. Java, compiled, generates. Class bytecode

Topics that have been asked during the interview:1. and 2. Know the GOF mode, description3. What is your long-term plan and what is your recent plan?4.override and Overload5.final keywords6. How the system is layered, foreground, logic, data access.

  Operation Priority Associativity 1 Suffix Operator []. () (Function call) Left to right 2 Single Object Operator ! ~ ++ -- + (Single-operand)-(single-operand) From right to left 3 Create

The example in this article describes how Java uses a bubble sort array to sort the arrays. Share to everyone for your reference. Specifically as follows: First, bubble sort: Sort arrays by bubble sort Ii. Basic Concepts: In turn, compare the

Rounding of Coarse force is an integer1 PackageMath; 2 3 Public classMathroundtest {4 /** 5 * Three methods related to rounding are provided in the Math class: Ceil,floor,round,6 * These methods correspond to the meanings of their English