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Oracle 1Z0-900 exam : Java EE 7 Application Developer
- Exam Code: 1Z0-900
- Exam Name: Java EE 7 Application Developer
- Updated: Oct 23, 2026
- Q & A: 142 Questions and Answers
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Oracle 1Z0-900 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Java Persistence API (JPA) and Bean Validation | - Manage persistence using JPA entities - Use Bean Validation |
| Topic 2: WebSocket API | - Develop real-time applications using WebSocket |
| Topic 3: Java EE Architecture | - Understand Java EE 7 standards, containers, APIs and services |
| Topic 4: Web Components: Servlets and JSP | - Develop applications using JSP - Create and configure Servlets |
| Topic 5: Concurrency and Batch Processing | - Utilize Java EE Concurrency API - Use Batch API |
| Topic 6: RESTful Web Services | - Implement REST services using JAX-RS API |
| Topic 7: SOAP Web Services | - Implement SOAP services using JAX-WS - Use JAXB for XML binding |
| Topic 8: JavaServer Faces (JSF) | - Build web applications using JSF components |
| Topic 9: Enterprise JavaBeans (EJB) | - Implement business logic using session and message-driven beans - Manage transactions and timers |
| Topic 10: Java EE Security | - Secure Java EE 7 applications |
| Topic 11: Java Message Service (JMS) | - Use JMS API for messaging applications |
| Topic 12: Contexts and Dependency Injection (CDI) | - Use CDI beans, qualifiers, producers and interceptors |
1Z0-900 Exam FAQ — Effective Preparation
Yes:
Courses build the foundation; then practice smartly with the 142 practice questions for the Oracle Java EE 7 Application Developer — every answer expert-verified.
The Oracle Java EE 7 Application Developer is Oracle's certification exam for Oracle Certified Professional, Java EE 7 Application Developer, at the Professional level. It validates skills employers hire for, which is why it can affect your career and future.
Files arrive by automatic email within a minute of payment — unlimited installations, and 24/7 customer assisting for any login or downloading issues if nothing shows up within 2 hours. If you fail the corresponding 1Z0-900 exam within 60 days of purchase, you have options: a full refund (send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; processed within 7 days), waiting for the next updated version free, or changing to two other equal-value dumps free. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products.
Oracle Certified Professional, Java SE Programmer certification is recommended but not required Vendors revise eligibility rules from time to time, so verify the current requirements on the official page (official 1Z0-900 exam page) before booking.
The Oracle Java EE 7 Application Developer blueprint covers 12 domains — including Java EE Architecture, SOAP Web Services, WebSocket API. The weightings tell you where to spend your hours; the complete outline above lists every subtopic.
Through the vendor's official registration channels:
The Oracle Java EE 7 Application Developer is delivered Online proctored or onsite at Pearson VUE test centers — choose the arrangement that fits you when booking.
USD 245 per attempt, 66% to pass. A retake bills the full fee again, so prepare smartly: work through the 142 practice questions for the 1Z0-900 exam at Exam4PDF before you book.
120 minutes for 70 questions. Efficient preparation includes pacing: rehearse timed sets until the clock feels manageable, not menacing.
Yes — download the free Oracle Java EE 7 Application Developer demo and judge the quality before paying. Purchases include 365 days of free updates, with each latest version emailed to you immediately; renew afterward at 50% off.
Oracle Java EE 7 Application Developer Sample Questions:
Question #1
You want to allow one set of roles to POST to a resource and another set of roles to GET it.
Which two configuration options should you use? (Choose two.)
- A. two <web-resource-collection> with different <http-method> in the deployment descriptor
- B. a single @HttpMethodContstraint annotation and a map of method to roles
- C. a single <web-resource-collection> with two <auth-constraint> with different <http-method> in the deployment descriptor
- D. two separate @HttpMethodConstraints annotations and sets of roles
Correct Answer: B,C 🗳️
Question #2
Your customer has a requirement across their 10 warehouses, each with different users. They would like that whenever a warehouse user logs in, their warehouse should get populated.
How will you achieve this?
- A. Set up the profile option INV_DEFAULT_ORG_ID at user level for each user.
- B. Set up the profile option INV_DEFAULT_ORG_ID at site level.
- C. Set up the profile option INV_DEFAULT_WHSE_ID at role level (different roles for different warehouses).
- D. Set up the profile option INV_DEFAULT_ORG_ID at role level (different roles for different warehouses).
- E. Set up the profile option INV_DEFAULT_WHSE_ID at user level for each user.
- F. Set up the profile option INV_DEFAULT_WHSE_ID at site level.
Correct Answer: D 🗳️
Question #3
Your client is about to define their primary ledger.
Which set of three primary attributes do they need to know in order to complete this?
- A. Currency, Description, and Accounting Method
- B. Chart of Accounts, Accounting Calendar, and Currency
- C. Chart of Accounts, Description, and Accounting Method
- D. Chart of Accounts, Ledger Balance, and Accounting Method
Correct Answer: B 🗳️
Question #4
Given the code fragment:
How can you apply DateConverter to the birthday field?
- A. by invoking the setConverter(DateConverter.class) method on the EntityManager object
- B. by adding @Convert((DateConverter.class)) at line 2
- C. by adding @Converter(autoApply=true) at line 1
- D. by adding @Convert(to=Date.class) at line 3
Correct Answer: D 🗳️
Question #5
Given:
You are creating an Alarm management system. When you create a new alarm, you want it to create an alert that is triggered once at the specified time.
Which method should you call on Line 9 to create the timer?
- A. timerService.createIntervalTimer(alarmDate, -l, config);
- B. timerService.createCalendarTimer(alarmDate, config);
- C. timerService.createSingleActionTimer(alarmDate, config);
- D. timerService.createTimer(alarmDate, -l, config);
Correct Answer: D 🗳️
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