<dependency>
<groupId>org.apache.bval</groupId>
<artifactId>bval-jsr</artifactId>
<version>2.0.1</version>
</dependency>
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
public class User {
private String username;
private Integer age;
}
User user = new User();
Set<ConstraintViolation<User>> violations = validator.validate(user);
for (ConstraintViolation<User> violation : violations) {
String message = violation.getMessage();
String propertyPath = violation.getPropertyPath().toString();
}
