Problem java function

Question

Hello guys,
I've done a java function to handle the fact that i move the decimal of a number to 2 instead of 3, 4, 5 or else.
For exemple, if i have in input the field 159, 7934 then i should have in output 159,79.
My problem is that it rounds the number !! So i have in output 159,8 !
Here's my function :
// Round the given input value to given number of decimals
// The result will be a floating point number (not integer value)
String zeroes = "00000000000000";
String numDec = numDecimals;
// To prevent a Divide by zero error default to 1 which would lead to a No-op
if (numDec.equals("") || numDec.equals("0"))
  numDec = "0";
String strFactor = "1" + zeroes.substring(0, Integer.parseInt(numDec));
int intFactor = Integer.parseInt(strFactor);
float i =Float.parseFloat(inputValue);
i = Math.round(i*intFactor);
i = i/intFactor;
return Float.toString(i);
Like you see, i'm putting in string format for the output because i am using a replacestring after in order to suppress the '.'
I think the problem come from that.
The solution would be to suppress the '.' in my UDF but i don't know how to code it in java.
Is someone knows please ?
Thanks by advance,
JP

Answer 1

Ok my UDF is now :
// Round the given input value to given number of decimals
// The result will be a floating point number (not integer value)
String zeroes = "00000000000000";
String numDec = numDecimals;
// To prevent a Divide by zero error default to 1 which would lead to a No-op
if (numDec.equals("") || numDec.equals("0"))
  numDec = "0";
//String strFactor = "1" + zeroes.substring(0, Integer.parseInt(numDec));
//int intFactor = Integer.parseInt(strFactor);
double i =Double.parseDouble(inputValue);
NumberFormat nf = NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(2);
String n = nf.format(i);
return n ;
BUT, when i put 2 digits, it still "rounding" my number even if i use a double or a float !
Nevertheless, when i want 3 digits, it still "rounding" !
Is it impossible to avoid the "round machine ?"