# how to get 2 decimal places in java

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### Java retains two decimalplaces

Java methods for preserving decimal problems:Method One: Rounding using Java. Math.bigdecimal class　Double d = 12.345;BigDecimal bd = new BigDecimal (2,bigdecimal.round_half_up). Doublevalue ();Method Two: Use the Java.text.DecimalFormat

### Analysis of inaccurate JavaScript decimal operations

Var sum = 0;For (var I = 0; I Sum ++ = 0.1;}Console. log (sum );Will the above program output 1?Among the 25 JavaScript interview questions that you need to know, the 8th questions briefly explain why JavaScript cannot correctly handle decimal

### (Hdu step 2.1.8) Fractional fraction 2 (fractional fraction-including the repeating decimal fraction)

Topic: Decimal fraction of 2 Time limit:1000/1000 MS (java/others) Memory limit:32768/32768 K (java/others) Total submission (s): 2783 Accepted Submission (s): 993 Problem

### 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

### Two decimalplaces reserved for two integers of Java

in Java, when two integers are divided, because the number after the decimal point is truncated, the result of the operation will be an integer, and if you want to get the result of the operation as a floating point, you must cast both integers one

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### Hdu1717 decimal score 2

Decimal score 2 Time Limit: 1000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 2206 accepted submission (s): 892 Problem descriptionray was told by the teacher in the mathematics class that any decimal number

### JAVA float Double data type reserved 2-bit decimal point 5 ways

/*** Java two integers divide two decimal places and convert decimals to percentages* In Java, when two integers are divided, because the number after the decimal point is truncated, the result of the operation will be an integer, if you want to get

### Poj 1131 Al fractions decimal conversion between arbitrary hexadecimal

// 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

### 3 ways to get random numbers from Java _java

This paper mainly introduces 3 kinds of methods of obtaining random number in Java, mainly using random () function to realize Method 1 (data type) (Minimum +math.random () * (maximum-min +1)) Example: (int) (1+math.random () * (10-1+1))

### 2Java Basics

One, Java identifiers/* Identifiers: Some of the names in Java programs can be customized, so these custom names are referred to as custom identifiers. Identifiers to note the details: 1. The constituent elements of an identifier are composed of

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