1Z0-898 Exam Questions

The developer has defined the following entity class office: Which of the following attributes will be in corresponding generated static metamodel class for the rooms' field?

Given two entities with many-to-many bidirectional association between them: What set of annotations correctly defines the association?

An application wants to utilize side effects of cascading entity manager operations to related entities. Which statement is correct?

The Contact Information embeddable class contains address information as well as a reference to a phone entity. The ContactInformation class is defined as follows: @Embeddable publ...

A stateless session bean's business method invokes EJBContext.setRollBackOnly and receives an IllegalStateException. Under which of these conditions could this be possible?

Given the following stateless session bean implementation classes: Assuming no other transaction-related metadata, what are the transaction attributes on methodB, and method C resp...

A session bean business method throws an exception during execution. Which two are responsibilities of the Bean Provider when throwing the exception? (Choose two.)

FooBean and BarBean are both EJB 3.0 stateless beans with container-managed transaction demarcation. All business methods in FooBean have transaction attribute REQUIRED, and all bu...

Given a set of CMT bean methods with the following transaction attributes: Method M1 = SUPPORTS Method M2 = REQUIRED Method M3 = NOT_SUPPORTED Method M4 = REQUIRES_NEW And the foll...

Which EntityManager API will lock entity x with a pessimistic lock?

It a Persistence application locks entity x with a pessimistic lock, which statement is true?

If a Persistence application locks entity x with a LockModeType.OPTIMISTIC_FORCE INCREMENT lock type, which statement is true?

A user entity is retrieved in a query and stored in an instance variable user. The user entity has a single valued name property that uses the mapping defaults, and a photo propert...

Given the following entity classes: @Entity @cacheable (true) Public class A { . . . } - - - - @Entity @cacheable (false) Public class B { . . .} @Entity Public class C { . . . } I...

An application has three entities: the mapped super class person class entity, and the parent and child entities, which are subclasses of person. The application has created four e...

A developer wants to ensure that an entity's data is up-to-date with regard to the database. Which of the following statements is guaranteed to accomplish this?

The developer wants to write a criteria query that will return the number of orders made by customer of each county. Assume that customer is an entity with a unidirectional one-to-...

The developer wants to write a portable criteria query that will order the orders made by customer James Brown according to increasing quantity. Which one of the below queries corr...

An application has two entities, parson and Address. The application calls the DeletePersonsByStatus named query. Which of the following is true?

An application uses optimistic locking by defining version attributes in its entity classes. The application performs a bulk update of the entities using a JPQL query. Which of the...

A named query that sets an exclusive pessimistic on the entities returned by the query by setting the NamedQuery lockMode element to LockModeType.PESSIMISTIC_FORCE_INCREMENT. The a...

A developer wants to create a Java Persistence query that will include a sub-query. Which three are true? (Choose three.)

Which statement is correct about the Java Persistence API support for the SQL queries?

A user entity is in a one-to-many relationship with a Book entity. In other words, a developer reach the collection of books that a user instance myUser has by using the path expre...

A session bean business method invokes UserTransaction.setRollbackonly and receives an IllegalStateException. Under which circumstance can this happen?

A JavaEE application is packaged as follows. Which of the following is true for a portable JavaEE application?

The developer has modeled student interests as a set <String>: @Entity public class Student { @Id int student Id; string name; @ElementaryCollection Set <String> Interests; . . . }...

The embeddable class ContractInformation is used in an element collection of the Employee entity. @Entity Public class Employee { @Id int empId; @ElementaryCollection Set <Contract...

If a Persistence application locks entity x with a pessimistic lock, which statement is true?

Entity lifecycle call-back methods may be defined in which three classes? (Choose three)

A developer wrote an entity class with the following method: Private static Logger logger = Logger.getLogger ("myLogger"); @PrePersist @PreUpdate Public void doA () { Logger.info (...

Given the following code: Public void create () { try { doA () { } catch (PersistenceException e) {} try (doB) (); } catch (PersistenceException e) {} } Calling method doA will cau...

An application that uses pessimistic locking calls an update Data method that results in a LockTimeoutException being thrown. What three statements are correct? (Choose three)

A developer has created a deep entity class hierarchy with many polymorphic relationships between entitles. Which inheritance strategy, as defined by the inheritance Type enumerate...

A developer is creating an entity which is mapped to a table that has a primary key constraint defined on two character columns and would like to use mapping defaults as much as po...

A developer wants to model the grades for a student as a Map<course, integer>. Assume that Student and Course are entitles, and that grades are modelled by integers. Which of the f...

Consider a persistence application with the following orm.xml: What will be the effect of the above orm.xml?

A developer has created an application managed entity manager. Which statement is correct?

Given: Which statement is correct?

If an application uses an extended persistence context, which of the following is true?

An application uses an application-managed entity manager. Which of the following is NOT true?

An application that uses container-managed transaction demarcation creates a query within an active transaction and receives a QueryTimeoutException. Which of those scenarios descr...

Given two entities with one to-one association: Which code fragment correctly defines the detail field that PersonDetail instance in removed if the person instance that references...

An entity person is mapped to a table PERSON and has a collection-valued persistence field otherUsedNames that stores names used by a person. The other used Names field is mapped t...

Which statement is true about the @OrderColumn annotation?

The developer wants to define a unidirectional relationship from the customer entity to the order entity and map this relationship using a foreign key mapping strategy. Which one o...

A developer who is designing entity classes to map a legacy database encounters a table called STUDENT_RECORD . This table has two columns, STUDENT_ID and STUDENT_INFO_ID. The prim...

The developer is creating a Java Persistence model for a legacy database. The database contains customer and subscriptions. The subscriptions table has a foreign key to the Custome...

Refer to the Exhibit. A developer wants to have booking data stored in the table BOOKING, flight number in table FLIGHTBOOKING, and hotel name in HOTELBOOKING. Which code, inserted...

Which two of the following statements are true of embeddable classes? (Choose two)