<dependency>
<groupId>jakarta.validation</groupId>
<artifactId>jakarta.validation-api</artifactId>
<version>3.0.0</version>
</dependency>
public class User {
@NotNull
private String username;
}
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
Set<ConstraintViolation<User>> violations = validator.validate(user);
for (ConstraintViolation<User> violation : violations) {
}
public class User {
private String username;
}
public class User {
private String username;
public boolean isAgreed() {
}
}
