Answers for "how to round off double to 2 decimal in java"

1

java round double to 2 decimals

double roundOff = Math.round(a * 100.0) / 100.0;
// Or
double roundOff = (double) Math.round(a * 100) / 100;
// both have the same output.
Posted by: Guest on September-21-2021
2

java round double to 2 decimal places

import java.math.RoundingMode;
import java.text.DecimalFormat;

public class DecimalExample {
    private static DecimalFormat df = new DecimalFormat("0.00");
    public static void main(String[] args) {
        double input = 1205.6358;
      
        System.out.println("salary : " + input);
      
        // DecimalFormat, default is RoundingMode.HALF_EVEN
        System.out.println("salary : " + df.format(input));      //1205.64
        
        df.setRoundingMode(RoundingMode.DOWN);
        System.out.println("salary : " + df.format(input));      //1205.63

        df.setRoundingMode(RoundingMode.UP);
        System.out.println("salary : " + df.format(input));      //1205.64
    }
}
Posted by: Guest on March-24-2020
0

java round to 2 decimal

class round{
    public static void main(String args[]){

      double a = 123.13698;
      double roundOff = Math.round(a*100)/100;

      System.out.println(roundOff);
	}
}
Posted by: Guest on February-18-2021

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