How to cut off decimals in java

How do you shorten a decimal in Java?

If you need decimal places, use a BigDecimal , which has a setScale() method for truncation, or use DecimalFormat to get a String . If, for whatever reason, you don’t want to use a BigDecimal you can cast your double to an int to truncate it. If you want to truncate to the Ones place: simply cast to int.

How do I restrict to 2 decimal places in Java?

1 Answer

  1. double roundOff = Math.round(a * 100.0) / 100.0; Output is.
  2. 123.14. Or.
  3. double roundOff = (double) Math. round(a * 100) / 100; this will do it for you as well.

How do you round to 2 decimal places?

Rounding to a certain number of decimal places

If we want to round 4.732 to 2 decimal places, it will either round to 4.73 or 4.74. 4.732 rounded to 2 decimal places would be 4.73 (because it is the nearest number to 2 decimal places).

How do I fix decimal places in Java?

Given a double value val, the task is to set its precision value to a specific decimal places. We can use String. format() method to format the decimal number to some specific format.

What is DecimalFormat in Java?

DecimalFormat is a concrete subclass of NumberFormat that formats decimal numbers. It has a variety of features designed to make it possible to parse and format numbers in any locale, including support for Western, Arabic, and Indic digits.

How do I import a decimal format?

If you need two (or more) different formats in a program, you can declare multiple instances of DecimalFormat.

  1. import java.text.DecimalFormat;
  2. public class Pennies {
  3. public static void main(String[] args) {
  4. float myBalance = 3426.07F;
  5. float myInterest;
  6. DecimalFormat dollarFormat = new DecimalFormat(“$ #,##0.00”);
See also:  How to use boolean in java

How do you truncate in Java?

If you need decimal places, use a BigDecimal , which has a setScale() method for truncation, or use DecimalFormat to get a String . If, for whatever reason, you don’t want to use a BigDecimal you can cast your double to an int to truncate it. If you want to truncate to the Ones place: simply cast to int.

What is 1/3 as a decimal rounded to 2 decimal places?

Decimal Equivalents for Common FractionsFractionDecimal1/20.51/30.3332/30.6661/40.25

What is 34519 rounded to the nearest thousands?

34519 rounded to the nearest hundreds is 34500, but they are asking to round it to nearest thousands. And as 519 when rounded to the nearest thousands = 1000, Therefore, the answer is B (i.e.) 34519 rounded to the nearest thousands = 35000.

What is print () in Java?

print(): print() method in Java is used to display a text on the console. This text is passed as the parameter to this method in the form of String. This method prints the text on the console and the cursor remains at the end of the text at the console. The next printing takes place from just here.

What is precision in Java?

precision() method returns the precision of this BigDecimal. The precision is the number of digits in the unscaled value. The precision of a zero value is 1.

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