Round a Number to N Decimal Places in Java

System.out.printf("Value with 3 digits after decimal point %.3f %n", PI);
// OUTPUTS: Value with 3 digits after decimal point 3.142

DecimalFormat df = new DecimalFormat("###.###");
System.out.println(df.format(PI));

private static double round(double value, int places) {
    if (places < 0) throw new IllegalArgumentException();
 
    BigDecimal bd = new BigDecimal(Double.toString(value));
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}