# java float decimal places

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### Javafloat retains two decimalplaces or decimalplaces

Java float retains two decimal places or decimal placesMethod 1: Use Math.Round to calculate the number format that is returned here.float price=89.89;int itemnum=3;float Totalprice=price*itemnum;float num= (float) (Math.Round (totalprice*100)/100);

### Javafloat retains two decimalplaces or decimalplaces

Turn from:Java float retains two decimal places or decimal placesMethod 1: Use Math.Round to calculate the number format that is returned here.float price=89.89;int itemnum=3;float totalprice=price*itemnum;float num= (float) (Math.Round (totalprice*1

### Javafloat retains two decimalplaces or decimalplaces

Method 1: Use Math.Round to calculate the number format that is returned here.float price=89.89;int itemNum=3;float totalPrice=price*itemNum;float num=(float)(Math.round(totalPrice*100)/100);//如果要求精确4位就*10000然后/10000Method 2: Return with

### Java Basics Getting Started-float rounding keep two decimalplaces to 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

### Javafloat retains two decimalplaces or decimalplaces

Method 1: Use Math.Round to calculate the number format that is returned here. 1234 float   price= 89.89 int  itemnum= 3 float  totalprice=price*itemnum; float  num= ( float 100 1

### In Java, float/Double Floating Point Numbers are inaccurate (that is, the problem of increasing the number of decimalplaces)

Today, we encountered a problem in numerical calculation. The program is as follows: double a = (3.3-2.4)/0.1; System. Out. println ();You may think the result is very simple, not 9. Actually, the result is 8.999999998. Why? I read some documents

### How Java makes float retain 2 or more decimalplaces

Tag: Print Select Pre target indicates 0.12. Text Mat blankMethod 1:float F = 34.232323;BigDecimal B = new BigDecimal (f);Float F1 = B.setscale (2, bigdecimal.round_half_up). Floatvalue ();B.setscale (2, bigdecimal.round_half_up) indicates rounding,

### How Java rounds a float to 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,

### Javascript number conversion to float, N decimalplaces _ javascript skills

In javascript, regardless of Single-precision float and double-precision, all decimal variables are regarded as float. Therefore, to obtain the n digits after decimal places, use the toFixed (n) method to obtain Convert js numbers to float and take

### Java rounding float to 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

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