Check resolution of double

If I have a double value, how can I check that the double meets a specified resolution.
ie. if I have a specified resolution of 0.02, how can I verify that a double value is evenly divisible by that resolution.
I am dealing with a JTextField so I can verify that the text value does not contain more decimal places than would be allowed by the resolution.
Thanks.

I was thinking if the resolution was passed in as a string "0.02" I could determine that the number of allowed decimals is 2. Then if the text field is "12.24" I could do the following.
if ( Math.round(Double.parseDouble (getText()) * Math.pow (10, numDecimals)) % Math.round (resolution * Math.pow (10, numDecimals)) == 0)
// text is validis there a better way then passing in the resolution as a String? I suppose I could pass in the resolution a a double and pass in an int the represents the number of decimals.
Any thoughts?

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Hello,
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Attachments:
Resolution 1.vi ‏41 KB
resolution.vi ‏79 KB

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Check resolution of double

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