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();
}
