format float to 2 decimal places

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Java float retains two decimal places or decimal places

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

Java float retains two decimal places or decimal places

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);

Java float retains two decimal places or decimal places

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

Js takes the float decimal point and the last two digits (retain two decimal places)

In js, the most common method for getting the decimal point and the two decimal points is the rounding function. I have previously introduced this common function in js, which is useful here, next let's take a look at some methods to sum up the two

There is no myth. Let's talk about decimal's "blind eye" and decimal's blind eye.

There is no myth. Let's talk about decimal's "blind eye" and decimal's blind eye.0x00 Preface In the last article "compromise and trade-offs, deconstruct decimal operations in C #", many of my friends talked about the decimal type in C. In fact, the

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,

Java rounding float to retain two decimal places

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 difference between a DECIMAL FLOAT double in MySQL

There are non-standard data types such as float,double in MySQL, as well as standard data types such as decimal. The difference is that non-standard types, such as float,double, hold approximate values in db, while decimal saves values as strings.

Put C # in detail: compromise and trade-offs, deconstruct the decimal operation in C,

Put C # in detail: compromise and trade-offs, deconstruct the decimal operation in C,Digress Before the beginning of the text, I would like to thank the blog Park for providing this outstanding platform. I am honored to have won the Microsoft MVP

Three types of float, double, and decimal in MySQL, and the cause of the error in numerical values

Single-precision floating-point number with 4 bytes (32bit) for floating-point numbers, using the IEEE754 standard computer floating-point number, in the interior is a binary representation, such as: 7.22 with 32-bit binary is not the case, so it

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