Exam Name: Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional Exam
Certification Provider: Oracle
Corresponding Certification: Java Technology
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Instant Download Oracle : 1Z0-355 Exam Dumps
Updated: Oct 27, 2026
No. of Questions: 100 Questions & Answers
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Syllabi change, and so do exams — Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional is no exception. Lead1Pass refreshes its 1Z0-355 practice questions throughout 2026, and 365 days of free updates keep all 100 questions aligned with the current exam.
Oracle 1Z0-355 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Java Persistence API Fundamentals | - Persistence Architecture
|
| Bean Validation and Integration | - Enterprise Integration
|
| Caching and Performance | - Optimization Techniques
|
| Entity Mapping | - Entity Definition
|
| JPQL and Criteria API | - Query Development
|
| Relationships and Associations | - Association Mapping
|
| Inheritance and Advanced Mapping | - Object-Relational Mapping
|
| Transactions and Entity Lifecycle | - Persistence Operations
|
1Z0-355 Exam FAQ: What to Know Before You Book
The 1Z0-355 exam, officially titled Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional Exam, is the qualifying exam for the Java Technology certification, which sits at the Professional level. Earning it shows employers that you have the skills the credential stands for, and it is a solid step forward on a Oracle career path. It also connects to Oracle Certified Professional, Java Platform, Enterprise Edition 6 Java Persistence API Developer, so the effort you put in now keeps paying off as you advance.
Yes — Lead1Pass offers a free PDF demo of the Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional material, so you can review the question style and answer quality before you spend anything. After purchase, you also receive 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
If you take the corresponding exam within 60 days of your purchase and do not pass, you are covered by the 100% Money Back Guarantee under clear conditions. To claim a full refund, submit a scan of your exam enrollment slip and your official Score Report PDF within two days of the exam; requests are processed within seven days. Note that sitting the exam within three days of purchase is not eligible, purchases that were never followed by an exam sitting do not qualify, free materials and expired orders are excluded, and the candidate name must match the payer name. Prefer an exchange instead? You can swap your product for two free exam packages of equal value and keep your update service. Delivery is immediate: your 1Z0-355 material is ready for instant download and is also emailed to you within one minute of payment — contact customer service if nothing arrives within two hours. There is no limit on the number of computers you can install it on.
The current Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional syllabus is organized into 8 exam domains. The first three are:
- JPQL and Criteria API
- Bean Validation and Integration
- Caching and Performance
For the full domain and subtopic breakdown, see the Exam Topics section above — that is the outline your Lead1Pass practice questions are mapped to.
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