##### Asked by: Angie Cabanes

asked in category: General Last Updated: 30th March, 2020# How do you do 2 decimal places in Java?

**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**

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