3c047788_ter_2__Validation_step_by_step__Use
[Annotation] @Digits(integer=, fraction=) [Supported data types] BigDecimal, BigInteger, String, byte, short, int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type of Number. [Hibernate metadata impact] Define column precision and scale. [Use] 
Checks whether the annoted value is a number having up to integer digits and fraction fractional digits.
Chapter 2. Validation step by step
Use