Free Oracle 1Z0-900 Exam Questions

Become Oracle Certified with updated 1Z0-900 exam questions and correct answers

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Total 142 Questions | Updated On: Jan 28, 2026

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Question 1

Given the code fragment:

How can you apply DateConverter to the birthday field?

A : by adding @Convert(to=Date.class) at line 3

B : by invoking the setConverter(DateConverter.class) method on the EntityManager object

C : by adding @Converter(autoApply=true) at line 1

D : by adding @Convert((DateConverter.class)) at line 2

Answer: A

Question 2

Given an HttpServletRequest request and an EJB SessionContext ctx.

Which is a valid way to retrieve the Principal invoking either behavior?

A : request.getCallerPrincipal() and ctx.getCallerPrincipal()

B : request.getUserPrincipal() and ctx.getUserPrincipal()

C : request.getCallerPrincipal() and ctx.getUserPrincipal()

D : request.getUserPrincipal() and ctx.getCallerPrincipal()

Answer: A

Question 3

Which type allows you to share servlet attributes across your entire web application?

A : ServletContext

B : HttpSession

C : ServletRequest

D : ServletConfig

Answer: A

Question 4

In the Back-to-Back (B2B) Order to Cash flow, ordered items are purchased from a supplier. The Sourcing

Rules have been defined for the item and the buy flow has been initiated. The sales order line is shown as

Awaiting Shipping and the supply line status is in “Purchasing” with the supply order generated but the

purchase requisition not generating.

What is the reason?

A : The sourcing rule is incorrect.

B : Supply order is generated with exceptions.

C : Prepare is not valid.

D : No Blanket Purchase Agreement (BPA) exists for this supplier-item combination.

E : Buy requests originate from Order Management.

Answer: A

Question 5

Given the code sample:

And:

And:

And the next fragment from beans.xml:

And this injection point:

@Inject GenericMessenger messageHandler;

Which type would be injected at run time and referenced by the messageHandler variable?

A : SmsHandler

B : MsgHandler

C : None of the above. An exception would be thrown due to ambiguous bean references.

D : GenericMessenger

Answer: D

Page: 1 / 29

Total 142 Questions | Updated On: Jan 28, 2026

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