Pass the Oracle Java EE and Web Services 1z0-900 Questions and answers with ExamsMirror

entityManager.merge(emp);

Context. Ctx = new InitialContext();UserTransaction utx = (UserTransaction)ctx.lookup(“java:comp/UserTransaction”);utx.begin();entityManager.merge(emp);utx.commit();С. entityManager.lock(emp);EntityManager.merge(emp);

entityManager.getTransaction().begin();entityManager.merge(emp);entityManager.getTransaction().commit();

The @WebResult annotation must exist.

Method parameters and return types must be JAXB compatible.

Method parameters must be declared by using @WebParam.

The @WebMethod annotation must exist.

Set the immediate=“true” attribute on the command button that was used to perform this call.

Invoke the dispatch() method on the ExternalContext object.

Invoke the setCurrentPhaseId(RENDER_RESPONSE) method on the FacesContext object.

Invoke the responseComplete() method on the FacesContext object.

ServletContext

HttpSession

ServletRequest

ServletConfig

request.getCallerPrincipal() and ctx.getCallerPrincipal()

request.getUserPrincipal() and ctx.getUserPrincipal()

request.getCallerPrincipal() and ctx.getUserPrincipal()

request.getUserPrincipal() and ctx.getCallerPrincipal()

All Transaction Types Related to Work in Process

Average Cost Update

Backflush Subinventory Transfer

Miscellaneous Issues and Receipts

All Internal Transactions

The publisher waits for a subscriber, who then consumes it. However, the publisher will time out if no consumer arrives within the given timeout period.

The publisher sends the message. However, it is never consumed because there wasn’t anything listening when it arrived, regardless of the message timeout length.

The publisher successfully sends a message, which will be consumed later, once there is a subscriber, assuming the message hasn’t timed out.

The message publisher is immediately notified about the lack of subscribers and can decide for itself if, and when, to resend.

HttpServletResponse objects

ServletContext objects

HttpSession objects

a database

the Runnable Interface

the ManagedExecutorTask interface

the TaskEventListener interface

the ManagedTaskListener interface

A JSP page must extend the HTTPServlet class to behave like a servlet.

A JSP page has access to the same information, objects, and a context as a servlet.

A JSP page is interpreted by JSPServlet.

A JSP page must be written as either an XML file or a JSP file before it is turned into a servlet.