March 17th 2021

'javax.validation.constraints' package provides number of annotations to do validations on data.

Below table summarizes the annotations provided by JSR-380 specification.

Annotation Related Articles Limitless Adventure Awaits: Journeyin… best projectors for home The Ultimate Guide to Choosing Perfec… The Potential of Sodium-Ion Batteries… Google Reveals May 14 Date for I/O 20…	Description
AssertFalse	The Annotated Element must be false.
AssertFalse.List	Defines several `AssertFalse` annotations on the same element.
AssertTrue	The Annotated Element must be true.
AssertTrue.List	Defines several `AssertTrue` annotations on the same element.
DecimalMax	The annotated element must be a number whose value must be lower or equal to the specified maximum.
DecimalMax.List	Defines several `DecimalMax` annotations on the same element.
DecimalMin	The annotated element must be a number whose value must be higher or equal to the specified minimum.
DecimalMin.List	Defines several `DecimalMin` annotations on the same element.
Digits	The annotated element must be a number within accepted range Supported types are: `BigDecimal` `BigInteger` `CharSequence` `byte`, `short`, `int`, `long`, and their respective wrapper types
Digits.List	Defines several `Digits` annotations on the same element.
Email	The string has to be a well-formed email address.
Email.List	Defines several `@Email` constraints on the same element.
Future	The annotated element must be an instant, date or time in the future.
Future.List	Defines several `Future` annotations on the same element.
FutureOrPresent	The annotated element must be an instant, date or time in the present or in the future.
FutureOrPresent.List	Defines several `FutureOrPresent` annotations on the same element.
Max	The annotated element must be a number whose value must be lower or equal to the specified maximum.
Max.List	Defines several `Max` annotations on the same element.
Min	The annotated element must be a number whose value must be higher or equal to the specified minimum.
Min.List	Defines several `Min` annotations on the same element.
Negative	The annotated element must be a strictly negative number (i.e.
Negative.List	Defines several `Negative` constraints on the same element.
NegativeOrZero	The annotated element must be a negative number or 0.
NegativeOrZero.List	Defines several `NegativeOrZero` constraints on the same element.
NotBlank	The annotated element must not be `null` and must contain at least one non-whitespace character.
NotBlank.List	Defines several `@NotBlank` constraints on the same element.
NotEmpty	The annotated element must not be `null` nor empty.
NotEmpty.List	Defines several `@NotEmpty` constraints on the same element.
NotNull	The annotated element must not be `null`.
NotNull.List	Defines several `NotNull` annotations on the same element.
Null	The annotated element must be `null`.
Null.List	Defines several `Null` annotations on the same element.
Past	The annotated element must be an instant, date or time in the past.
Past.List