# java round float to 2 decimal places

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### Java Basics Getting Started-float rounding keep two decimalplacesto note

Float rounding Keep Two decimal places note the placeRecently in Codewars did a very simple topic, but it took me 20 minutes, although the final solution, but in the middle found that the foundation of Java is not really, go back to a good fixDo not

### How Java rounds a floatto a 2-bit, 4-bit, or other specified number of digits after the decimal point.

How to make float keep two decimal places or decimal placeshttp://meryvn.blog.163.com/blog/static/36962664201173010402629/Two methods:Import java.math.*;......Method 1:float F = 34.232323;BigDecimal B = new BigDecimal (f);Float F1 = B.setscale (2,

### Java rounding floatto retain two decimalplaces

Example 1Float f = 34.237323f;BigDecimal B = new BigDecimal (f );Float f1 = B. setScale (2, BigDecimal. ROUND_HALF_UP). floatValue ();System. out. println (f1 );Method 2:Float f = 34.232323;BigDecimal B = new BigDecimal (f );Float f1 = B. setScale (2

### The problem of accurate calculation of floating-point data float and double in Java

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

### Java floating point Exact Calculation

(1) Precise Floating Point CalculationThere has always been a problem in the Three-flow Integration Project of Shengli Oilfield, that is, the amount of materials and the actual amount calculated in each report must be a fraction of the money, which

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### Java BigDecimal usage and rounding and formatting specifications (precision data)

The simple floating-point number types in Java float and double are not capable of operation. It's not just Java, it's also a problem in many other programming languages.What will we see if we compile and run the following program?public class Test {

### Java basics

Symbol type:1. In C and C ++, the integer indicated by int is related to the target machine. The 16-bit cpu occupies 2 bytes, and the 32-bit cpu occupies 4 bytes. On the intel pentium cpu,C and C ++ integers depend on specific operating systems. For

### Method of floating-point precision in Java

Method of floating-point precision in JavaFirst, the content　　Generally in Java code to take a double type of floating-point number of precision, rounding or directly out of the way, using the 4 method, recommended the first, I have encapsulated

### Detailed description of Floating Point Theory

Directory 1. What is a floating point number? 2. IEEE floating point number 3. Transformation between a real number and a floating point number 4. Special values 4.1. Nan 4.2. Infinite

### Java BigDecimal, javabigdecimal

Java BigDecimal, javabigdecimal Java provides operation classes for big numbers, namely java. math. BinInteger and java. math. BigDecimal. These two classes are used for high-precision computing. The BigInteger class is a processing class for large

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