how to round float values upto 2 decimal laces code example

Example 1: 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);
}
}

Example 2: java 2 decimals

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