Answers for "how to round two decimal places in java"

how to round double to 2 decimal places java

// calling the function round
round(200.3456, 2);

// Include this function in your class
public static double round(double value, int places) {
    if (places < 0) throw new IllegalArgumentException();

    BigDecimal bd = BigDecimal.valueOf(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

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.

round off java 2 decimal places

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

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

    System.out.println(roundOff);
}
}

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
    }
}

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);
	}
}