1Z0-860Java Enterprise Edition 5 Business Component Developer Certified Professional Exam
305 Questions and Answers Experienced specialists selected 305 questions for this exam. All answers are verified to ensure correctness.
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A developer writes a stateful session bean with local business interface Bar containing method test. Method test is implemented as
11.
©Remove
12.
public void testfj {}
A business method in a stateless session bean invokes a reference to bean Bar as follows :
11. @EJB Bar bar; 12.
13.
public void foo0 {
14.
bar.testfj;
15.
bar.testO;
16.}
Assuming execution reaches Line 15, what is the expected result?
A. Method foo returns withouterror.
B. Ajavax.ejb.NoSuchEJBException is thrown.
C. Ajava.rmi.NoSuchObjectException is thrown.
D. Ajavax.ejb.NoSuchEntityException is thrown.
A developer has created an application-managed entity manager. Which statement is correct?
A. A new persistence context begins when the entity manager is created.
B. A new persistence context begins when a new JTA transaction begins.
C. A new persistence context begins when the entity manager is invoked in the context of a JTA transaction.
D. A new persistence context begins when the entity manager is invoked in the context of a resource-local transaction.
A developer is working on a user registration application using EJB 3.0. A business method registerUser in stateless session bean RegistrationBean performs the user registration. The registerUser method executes in a transaction context started by the client. If some invalid user data causes the registration to fail, the client invokes registerUser again with corrected data using the same transaction. Which design can meet this requirement?
A. Have registerUser method call EJBContext.setRollbackOnlyOmethodafter registration fails.
B. Have registerUser method throw javax.ejb.EJBTransactionRequiredExceptionafterregistration fails.
C. HaveregisterUser method throw EJBException without marking the transaction for rollback, after registration fails.
D. Create an application exception withtherollbackattributeset to falseandhave registerUser method throwit afterregistration fails.
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