| Return | Method | Summary |
|---|---|---|
| int | precision() | Returns the precision. |
| int | scale() | Returns the scale. |
| BigDecimal | setScale(int newScale) | Change the scale. |
| BigDecimal | setScale(int newScale, int roundingMode) | Set scale with rounding Mode. |
| BigDecimal | setScale(int newScale, RoundingMode roundingMode) | Set scale with rounding Mode. |
| int | signum() | Returns the signum function of this BigDecimal. |
| BigInteger | unscaledValue() | Get the unscaled value. |
| BigDecimal | ulp() | Returns the size of an ulp(a unit in the last place). |
import java.math.BigDecimal;
public class Main {
public static void main(String[] args) {
BigDecimal first = new BigDecimal(10f);
System.out.println(first);
System.out.println(first.precision());
System.out.println(first.setScale(3));
}
}
The output:
10
2
10.000
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