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Oracle 1Z0-900 Exam Questions

Exam Name: Java EE 7 Application Developer
Exam Code: 1Z0-900
Related Certification(s): Oracle Java Certification
Certification Provider: Oracle
Actual Exam Duration: 110 Minutes
Number of 1Z0-900 practice questions in our database: 142 (updated: Jun. 18, 2025)
Expected 1Z0-900 Exam Topics, as suggested by Oracle :
  • Topic 1: Create REST Services and clients using JAX-RS API/ Create REST Services and clients using JAX-RS API
  • Topic 2: Handle entity data with conversions, validations, and key generation/ Describe Java EE 7 standards, containers, APIs, and services
  • Topic 3: Manage servlet life cycle with container callback methods and WebFilters/ Create SOAP Web Services and Clients using JAX-WS API
  • Topic 4: Define Java to XML Schema mappings to marshall and unmarshall Java Objects by using JAXB API/ Create, package and deploy Java EE application
  • Topic 5: Create JPA Entity and Relationship Object-Relational Mappings (ORM)/ Produce and consume, encode and decode WebSocket messages
  • Topic 6: Handle errors using Servlets and Java Server Pages/ Describe JSP syntax, use tag libraries and Expression Language (EL)
  • Topic 7: Use Entity Manager to perform database operations, transactions and locking with JPA entities/ Create and execute JPQL statements
  • Topic 8: Create WebSocket Server and Client Endpoint Handlers using JSR 356 API and JavaScript/ Demonstrate understanding of Enterprise JavaBeans and CDI beans
  • Topic 9: Create sessionEJB components containing synchronous and asynchronous business methods/ Demonstrate understanding of the relationship between bean components
Disscuss Oracle 1Z0-900 Topics, Questions or Ask Anything Related
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Gilma

8 days ago
Java EE 7 cert achieved! Pass4Success made last-minute prep possible.
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Emilio

2 months ago
Passed Oracle's Java EE 7 exam with flying colors. Kudos to Pass4Success!
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Melvin

3 months ago
Java EE 7 certified developer now, all thanks to Pass4Success's efficient prep.
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Myra

4 months ago
Nailed the Java EE 7 cert exam! Pass4Success's questions were right on target.
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Alethea

5 months ago
Oracle Java EE 7 exam success! Pass4Success, you're a lifesaver for busy devs.
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Gwenn

5 months ago
Excited to share that I passed the Java EE 7 exam! The Pass4Success practice questions were a great resource. There was a tricky question on creating Java web applications using Servlets. It asked about the servlet lifecycle methods. I wasn't sure, but I passed.
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Donte

6 months ago
Java EE 7 certified! Pass4Success's prep materials saved me so much time.
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Glen

6 months ago
I passed the Oracle Java EE 7 exam with the help of Pass4Success practice questions. One question that caught me off guard was about developing web applications using JSFs. It asked about the different phases of the JSF lifecycle. I wasn't confident, but I made it through.
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Arlie

7 months ago
Passed Java EE 7 cert thanks to Pass4Success. Their questions were perfect match!
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German

7 months ago
Just passed the Java EE 7 exam! The Pass4Success practice questions were very helpful. There was a question on creating Java web applications using JSPs. It asked about the lifecycle of a JSP page. I had to guess, but I still passed.
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Shawnna

7 months ago
JPA criteria metamodel questions came up. Study static metamodel generation. Pass4Success's materials helped me grasp this advanced topic quickly.
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Bronwyn

7 months ago
I successfully passed the Oracle Java EE 7 exam. The Pass4Success practice questions were crucial. One question that puzzled me was about using CDI Beans. It asked how to manage bean scopes and lifecycle. I wasn't sure of my answer, but I passed.
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Florinda

8 months ago
Indeed. Java EE Connector Architecture is another important topic. Be familiar with resource adapters and connection management.
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Nan

8 months ago
Aced the Java EE 7 exam! Pass4Success's materials were invaluable for quick study.
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Cherry

8 months ago
Happy to share that I passed the Java EE 7 exam! The Pass4Success practice questions were a big help. There was a question on implementing SOAP services using JAX-WS and JAXB APIs. It asked about the steps to create a SOAP-based web service. I was unsure but managed to pass.
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Gary

8 months ago
Finally, don't forget about EJB security. Study how to use @RunAs and @PermitAll annotations. Pass4Success materials covered all these topics comprehensively. So glad I passed!
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Craig

8 months ago
I passed the Oracle Java EE 7 exam, thanks to Pass4Success. One challenging question was about using the Concurrency API in Java EE 7 applications. It asked how to manage thread pools effectively. I wasn't confident in my answer, but I still passed.
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Viva

9 months ago
Oracle Certified: Java EE 7 Developer here! Pass4Success made prep a breeze.
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Tiffiny

9 months ago
That's a great point. Anything else you'd like to add?
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Donette

9 months ago
Just cleared the Java EE 7 exam! The Pass4Success practice questions were invaluable. There was a tricky question on the Java Message Service API, specifically about the differences between point-to-point and publish-subscribe messaging models. I had to think hard about it, but I got through.
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Kristian

9 months ago
Lastly, know your XML deployment descriptors. While annotations are prevalent, understanding web.xml and ejb-jar.xml is still important. Thanks again to Pass4Success for their comprehensive materials!
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Janey

9 months ago
I recently passed the Oracle Java EE 7 Application Developer exam, and I must say, the Pass4Success practice questions were a great help. One question that stumped me was about securing Java EE 7 applications. It asked about the best practices for implementing authentication and authorization in a web application. I wasn't entirely sure about the correct answer, but I managed to pass the exam.
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Oliva

10 months ago
Just passed the Java EE 7 exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Desire

10 months ago
Passing the Oracle Java EE 7 Application Developer exam was a great accomplishment for me, and I couldn't have done it without the help of Pass4Success practice questions. One question that I found particularly challenging was related to Java EE 7 standards, containers, APIs, and services. It required a comprehensive understanding of the topic, but I managed to answer it correctly and pass the exam.
upvoted 0 times
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Lourdes

11 months ago
My experience taking the Oracle Java EE 7 Application Developer exam was intense, but I successfully passed with the assistance of Pass4Success practice questions. One question that I remember from the exam was about creating REST services and clients using the JAX-RS API. It required a deep understanding of the topic, but I was able to answer it correctly and pass the exam.
upvoted 0 times
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Alison

12 months ago
Just passed the Java EE 7 App Developer exam! Be ready for questions on JPA entity relationships. Study cascade types and their effects on persistence operations. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
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Carin

12 months ago
I recently passed the Oracle Java EE 7 Application Developer exam with the help of Pass4Success practice questions. The exam was challenging, but I felt well-prepared thanks to the practice questions. One question that stood out to me was related to handling entity data with conversions, validations, and key generation. I wasn't completely sure of the answer, but I managed to reason through it and ultimately passed the exam.
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Free Oracle 1Z0-900 Exam Actual Questions

Note: Premium Questions for 1Z0-900 were last updated On Jun. 18, 2025 (see below)

Question #1

Which code snippet prints the exception error message as part of the page output?

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Correct Answer: D

Question #2

When handling a JSF request, your application code decided to redirect the call to another URL by using HTTP redirect. Which action should you take to correctly complete the handling of the JSF life cycle?

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Correct Answer: C

Question #3

What is true about Message-Driven Beans (MDBs)?

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Correct Answer: A

Question #4

Given the code fragment:

How are transactions managed?

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Correct Answer: D

Question #5

On your JSF page, you have a form in which you have a command button:

A user submits the form by clicking the button, and no errors occur while processing the request. Which statement is true?

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Correct Answer: B

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