Which is portable code to achieve this goal?

A. ?Remote
private OldBar oldBar;
B. public void fooQ {
try {
InitialContext ic = new InitialContextO;
Object obj = ic.lookup("ejb/oldBar");
OldBarHome OldBarHome =
(OldBarHome) PortableRemoteObject.narrow(obj,
OldBarHome.class);
OldBar oldBar = oldBarHome.createO;
C. @EJB private OldBarHome OldBarHome;
public void fooQ {
try {
OldBar oldBar = oldBarHome.createQ;
D. public void fooQ {
try {
InitialContext ic = new InitialContextO;
OldBarHome OldBarHome =
(OldBarHome) ic.lookup("ejb/oldBar");
OldBar oldBar = oldBarHome.createQ;
Answer(s): C
QUESTION: 29
Click the Task button.
A Department entity is in a one-to-many relationship with an Employee entity. A developer has
been asked to write a Java Persistence query to update the set of employees who are in the
department 'HR' by setting their department to nul .
Construct a query using the Java Persistence query language to perform this task.
Construct a valid Java Persistence query by dragging and dropping the syntax fragements.

11

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