JAVA

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);
}
}

double round java integer

int a = (int) Math.round(doubleVar);

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();
}

round the value of 2 decimals in java

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

    double a = 123.13698;
    double roundOff = Math.round(a*100)/100; //put attention to the parenthesis.

    System.out.println(roundOff);
}
}