 asked in category: General Last Updated: 30th March, 2020

# How do you do 2 decimal places in Java?

format("%. 2f", 1.23456); This will format the floating point number 1.23456 up-to 2 decimal places, because we have used two after decimal point in formatting instruction %. 2f, f is for floating point number, which includes both double and float data type in Java.

Also know, how do you convert to 2 decimal places in Java?

Java – Display double in 2 decimal places

1. DecimalFormat. DecimalExample.java. mkyong; import java. math.
2. String.format. StringFormatExample.java. mkyong; public class StringFormatExample { public static void main(String[] args) { double input = 3.14159265359; System. println("double : " + input); System.
3. BigDecimal. BigDecimalExample.java. mkyong; import java. math.

Likewise, how many decimal places is a double? 15 decimal digits

how do you truncate decimals 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 float in Java?

Floating-point numbers are numbers that have fractional parts (usually expressed with a decimal point). You should use a floating-point type in Java programs whenever you need a number with a decimal, such as 19.95 or 3.1415. Java has two primitive types for floating-point numbers: float: Uses 4 bytes.

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