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.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
}
}Copyright © 2021 Codeinu
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