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Asked: 2026-05-24T02:10:11+00:00

I am having a double variable: private double b=0.0; I am taking value of

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I am having a double variable:

private double b=0.0;

I am taking value of a certain field in b (the value is between 0.0 to 9.99999999). Mostly, user enters value between 0.0 to 1.0.

When I am saving the value from user in ‘b’, and if the value is 0.000001, then it is getting saved as 1E-6 and next time displayed as same on the screen (this is because b is Double).

Is there any way (just by calling some method) in Java, that I can avoid the conversion of value to 1E-6 format? I want to save the value as entered by user only (0.000001).

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  1. Editorial Team

    The double isn’t actually “saved” as a string at all. That’s just a matter of formatting – for which you should see DecimalFormat. However, it definitely won’t be exactly 0.000001 because that number isn’t exactly representable as a double. I would strongly recommend that you use BigDecimal instead when precise decimal values matter (as it sounds like they do here).

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