public static double trunc(Double number, int precision) {
        return Math.floor(number *Math.pow(10,precision))/Math.pow(10,precision);
    }
public static double trunc ( Double number , int precision ) { return Math . floor ( number * Math . pow ( 10 , precision ) ) / Math . pow ( 10 , precision ) ; }
Truncate the value

@param number a Double
@param precision the number of decimal places to keep
@return the Double truncated to the number of decimal places specified by precision
@since 1.6.4