Exam Name: Java EE 7 Application Developer
Certification Provider: Oracle
Corresponding Certification: Java EE and Web Services
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- Total Questions: 142
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- Total Questions: 142
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1Z0-900 Online Test Engine
- Online Tool, Convenient, easy to study.
- 1Z0-900 Practice Online Anytime
- Instant Online Access 1Z0-900 Dumps
- Supports All Web Browsers
- Test History and Performance Review
- Supports Windows / Mac / Android / iOS, etc.
- Try Online Engine Demo
- Total Questions: 142
- Updated on: Nov 04, 2026
- Price: $69.00
1Z0-900 Desktop Test Engine
- Installable Software Application
- Practice Offline Anytime
- Builds 1Z0-900 Exam Confidence
- Simulates Real 1Z0-900 Exam Environment
- Two Modes For 1Z0-900 Practice
- Supports MS Operating System
- Software Screenshots
- Total Questions: 142
- Updated on: Nov 04, 2026
- Price: $69.00
1Z0-900 PDF Practice Q&A's
- Printable 1Z0-900 PDF Format
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- Study Anywhere, Anytime
- Prepared by Oracle Experts
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- Download Q&A's Demo
- Total Questions: 142
- Updated on: Nov 04, 2026
- Price: $69.00
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Oracle 1Z0-900 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Java Platform, Enterprise Edition (Java EE) Architecture | - Java EE application architecture and components - Application packaging and deployment descriptors |
| Java Persistence API (JPA) | - JPQL and Criteria API - Persistence context and transactions - Entity mapping and relationships |
| Security and Transactions | - Transaction management (JTA) - Java EE security annotations and roles |
| Enterprise JavaBeans (EJB) | - Session beans (stateless/stateful/singleton) - EJB lifecycle and transactions |
| Contexts and Dependency Injection (CDI) | - Bean scopes and lifecycle - Dependency injection and qualifiers |
| Web Components (Servlets and JSP) | - JavaServer Pages (JSP) fundamentals - Servlet lifecycle and request handling - Filters and listeners |
| Web Services | - JAX-RS RESTful services - JAX-WS SOAP services |
1Z0-900 Exam FAQ — Career, Convenience, Current News
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The Oracle Java EE 7 Application Developer exam contains 70 to complete within 150 minutes. Timed simulation in the Lead1Pass Desktop Test Engine teaches that rhythm before exam day does.
Proctored exam delivered at authorized testing centers or online proctored delivery depending on region availability Register for the Oracle Java EE 7 Application Developer exam through these official channels:
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The Oracle Java EE 7 Application Developer exam requires 66% to pass, and registration costs $245 USD. A failed attempt means paying the same fee again — a readiness check with the Lead1Pass engines before booking is the cheaper option.
The 1Z0-900 exam is a Oracle certification exam validating the Oracle Java EE 7 Application Developer syllabus shown above. It belongs to these credential paths: Oracle Certified Associate, Java SE 7 Programmer, Oracle Certified Professional, Java SE 7 Programmer. Candidates in 2026 start with Lead1Pass's 142 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Recommended: solid understanding of Java SE 7 and basic web application development concepts Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
The official Oracle Java EE 7 Application Developer outline defines 7 domains. The leading three are Security and Transactions, Java Persistence API (JPA), and Enterprise JavaBeans (EJB). The full list is in the topics section above, and Lead1Pass's 142 practice questions cover each one.
Oracle recommends these training resources for the Oracle Java EE 7 Application Developer exam:
Follow the training with steady self-testing — the 142 practice questions from Lead1Pass help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 142 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Oracle Java EE 7 Application Developer Sample Questions:
You need to develop a chat application, which allows the display of emoticons and images together with text messages.
How should you configure a WebSocket endpoints to receive both text and binary messages?
- A. Create two @onMessage methods in the same endpoint with appropriate parameter types.
- B. Define the @onMessage methods in your endpoint with Object as parameter and check the actual type in your code.
- C. Create two @onMessage methods, each with appropriate decoder attribute in the same endpoint.
- D. You can achieve this only by creating separate WebSocket endpoints for each message type.
Correct Answer: C 🗳️
Which statement is true about Java methods that are exposed as Web Service operations by using JAX-WS API?
- A. Method parameters and return types must be JAXB compatible.
- B. The @WebMethod annotation must exist.
- C. The @WebResult annotation must exist.
- D. Method parameters must be declared by using @WebParam.
Correct Answer: B 🗳️
How do you specify a default error page in your web.xml file?
- A. <error-page><location>/general-error.html</location></error-page>
- B. <on-error><location>/general-error.html<location></on-error>
- C. <on-error><error-code>*</error-code><location>/general-error.html</location></on-error>
- D. <error-page><error-code>*</error-code><location>/general-error.html</location></error-page>
Correct Answer: D 🗳️
The Applications Development Framework Desktop Integration (ADFdi) user interface is supported in Oracle Fusion Receiving, Inventory Management, and Shipping products.
Identify four ADFdi user interfaces that are supported.
- A. Upload ASN or ASBN
- B. Manage Inventory Transaction Correction in Spreadsheet
- C. Review Count Interface Records
- D. Manage Lot/Serial Interface
- E. Manage Shipment Message Interface
- F. Review Receipts Interface
Correct Answer: B,D,E,F 🗳️
Your customer is managing a large sales team divided in two different geographies in the USA. They have the Est Coast sales team and the Central sales team. Both teams are handled by one manager and perform the same function.
Your customer wants to track the expenses of the two teams separately; however, they do not consider them different as they are handled by one manager only.
How will you fulfill the requirement?
- A. It is not possible to fulfill the requirement.
- B. Define them as one department and one cost center.
- C. Define them as two separate departments and a single cost center.
- D. Define them as a single department and two separate cost centers.
Correct Answer: D 🗳️
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