How to substring BigDecimal

Question

I have bigDeciaml format and digits like 14.2345 or 2.567 or 6.65346. How to format bigDeciaml to leave 3 characters after dot?

You can't. believe it or not, but a BigDecimal is NOT a String. You should be looking at "rounding" your numbers, not substring — Stultuske, Nov 22 '22 at 07:13
You might want to look at `DecimalFormat` and the JavaDoc on the class. This let's you define a number format which includes rounding/truncation and let's you _format_ a `BigDecimal` to `String`. — Thomas, Nov 22 '22 at 07:18

score 0 · Answer 1 · answered Nov 22 '22 at 07:14

0

I think you want a formatted display of BigDecimal, which includes conversion to String.

You may use

var formatted = String.format("%.3f", myBigDecimal);

answered Nov 22 '22 at 07:14

Christoph Dahlen

after that i have NumberFormatException – Андрей Андрей Nov 22 '22 at 08:08
Did you assign a value to this placeholder's example `myBigDecimal`? Can you copy details of NumberFormatException here (no screenshot, please)? – Christoph Dahlen Nov 22 '22 at 08:13

1 Answers1