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Is this correct? I wrote a decimal format and it doesn't work. how do i correct this:

    return sum / myFormatter.format(Math.sqrt(x.length - 1));

I will submit the full code if needed.

Edited by <M/>

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is already being discussed in OPs earlier thread
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Last Post by dev90
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OK, I'll assume that the myFormatter variable holds an instance of the DecimalFormat class. And that the sum variable is some kind of number -- like a int or double or something similar.

So the line you gave above doesn't compile -- because the result of the ".format(...)" method is a String value, and you can't do math (like the division ('/') operator) on String values.

Maybe this is what you want...?

return myFormatter.format(sum / Math.sqrt(x.length - 1));
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