format double to 2 decimal places

This article mainly introduces the Java method to keep the double type two decimal places, please refer to the use of itCopy CodeThe code is as follows:Mport Java.text.DecimalFormat;DecimalFormat df = new DecimalFormat ("##### #0.00");Double D1 = 3.2

Java: Rounding the double value to five, retaining the two decimal places, double rounding to five1. Functions The double value in the program is accurate to the two digits after the decimal point. It can be rounded up or truncated. For example, if

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

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

Java keeps a double of two decimal places in a multi-method Java reserved Two-bit decimal mport Java.text.DecimalFormat; DecimalFormat DF=NewDecimalFormat ("##### #0. XX"); DoubleD1 =3.23456 DoubleD2 =0.0;DoubleD3 =2.0;d F.format (D1); Df.format (D2

1. functionThe double value in the program is accurate to two digits after the decimal point. Can be rounded or truncated directly.For example: Enter 12345.6789, the output can be 12345.68 or it can be 12345.67. As to whether rounding is required,

Java rounded to reserved decimal places, java rounded to decimal places // Method 1: Double f = 3.1516; BigDecimal B = new BigDecimal (f ); Double f1 = B. setScale (2, BigDecimal. ROUND_HALF_UP). doubleValue ();   // Method 2: New java. text.

1 Packagecom;2 3 Public classT2 {4 5 Public Static voidMain (string[] args) {6 7System.out.println (Calculateprofit (0.233));8System.out.println (Calculateprofit (0.235));9System.out.println (Calculateprofit (0.237));TenSystem.out.println

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.

Mode one:RoundedDouble F = 111231.5585;Rounding to keep two decimal digits, you can use the Format function of string,The method is as follows: Copy Code code as follows: System.out.println (String.Format ("%.2f", X1));