How to round a double to 2 decimal places?

Java

If the value is 300.1234, it should be formatted to 300.12. If it is 300, then it should be 300.00
 


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public static double round(double val, int places)


{


    if (places < 0) throw new IllegalArgumentException();



    long fact = (long) Math.pow(10, places);


    val = val * fact;


    long tmp = Math.round(val);


    return (double) tmp / fact;


}

 
 

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