Not everyone has evenings free for a bootcamp. If your 1Z0-355 preparation has to happen on the subway, in waiting rooms, or after the kids are asleep, the 100 Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional practice questions from Actual4Exams were made for that kind of schedule in 2026.
Oracle 1Z0-355 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional Exam |
| Exam Number: | 1Z0-355 |
| Exam Price: | USD 245 |
| Passing Score: | 61% |
| Related Certifications: | Oracle Certified Professional, Java SE Programmer |
| Available Languages: | English, Japanese |
| Certificate Validity Period: | Valid for life |
| Real Exam Qty: | 64 |
| Exam Duration: | 135 minutes |
| Exam Format: | Multiple Choice, Single Answer, Multiple Answer |
| Recommended Training: | Java EE 6: Develop Database Applications with JPA |
| Exam Registration: | Pearson VUE Registration Oracle University Certification Portal |
| Exam Way: | In-person at Pearson VUE test centers / Online proctored exam |
| Pre Condition: | Valid Oracle Certified Professional, Java SE Programmer certification (any version) |
| Official Syllabus URL: | https://education.oracle.com/oracle-certified-expert-java-platform-ee-6-jpa-developer/pexam_1Z0-898 |
Oracle 1Z0-355 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Introduction to Java Persistence API | 10% | - Overview of JPA 2.0 specification - Persistence units and configuration |
| Topic 2: JPA Entities and Mapping | 22% | - Mapping enums, embeddables, and collections - Defining entities, fields, and properties - Basic and composite primary keys - Entity inheritance and polymorphism |
| Topic 3: Querying with JPA | 20% | - Query parameters, pagination, and ordering - Criteria API and type-safe queries - Native SQL queries and result mapping - Java Persistence Query Language (JPQL) |
| Topic 4: Entity Relationships | 18% | - Bidirectional vs unidirectional relationships - Cascade operations and fetch strategies - One-to-one, one-to-many, many-to-one, many-to-many mappings |
| Topic 5: Transactions, Locking and Advanced Topics | 15% | - Bean Validation integration - Caching and performance optimization - JTA and resource-local transactions - Optimistic and pessimistic locking |
| Topic 6: Entity Manager and Persistence Context | 15% | - Using EntityManager in Java SE and Java EE - CRUD operations and state management - Persistence context scope and lifecycle |
The Oracle 1Z0-355 Exam, Question by Question
Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional is an official exam run by Oracle under exam code 1Z0-355. Passing it awards the Oracle Certified Expert, Java Platform, Enterprise Edition 6 Java Persistence API Developer certification, which sits at the Expert tier. It also counts toward related credentials such as Oracle Certified Professional, Java SE Programmer. Certified professionals remain in shorter supply than the market wants, which is precisely why this exam keeps showing up in conversations about better roles and better pay.
The Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional exam gives you 135 minutes to work through 64 questions. That is a tight ratio, and it punishes candidates who get emotionally attached to any single item. The fix is mechanical: answer what you know, flag what you do not, and keep moving. A few full-length timed runs in the Actual4Exams test engine, with its randomized question order, will calibrate your pace far better than untimed reading ever could.
The official fee for Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional is USD 245, and 61% is what passing takes. The uncomfortable part: retakes cost the full USD 245 again, which makes preparation the cheapest line item in this whole project. Before booking, put yourself through repeated scored sessions with the Actual4Exams practice tests and compare results over time; a stable margin above the passing line, not a single lucky run, is when you are ready.
Valid Oracle Certified Professional, Java SE Programmer certification (any version)
Vendor rules do get revised, so treat this as your starting point and confirm the current eligibility details before booking via the official exam page.
Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional registration runs through these official channels.
Worth noting when you schedule: the exam is delivered In-person at Pearson VUE test centers / Online proctored exam.
Yes, Oracle points Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional candidates toward the following training.
Whatever course you choose, close the loop with question practice: the 100 items in the Actual4Exams 1Z0-355 package convert course knowledge into exam-day scoring ability.
It is. Actual4Exams publishes a free PDF demo of the Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional material, so the product can prove itself before you pay. Your purchase then comes with 365 days of free updates, and once that period ends, extending the update service costs 50% of the regular price. The test engine software itself is verified malware-free and safe to install.
Actual4Exams stands behind the product with a 100% money-back guarantee under defined conditions. If you take the Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional exam within 60 days of purchase and fail, you qualify for a full refund, provided the exam corresponds to your product. Sitting the exam within 3 days of purchase does not qualify, and neither do unused downloads, free materials, or expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are resolved within 7 days. You may also choose an exchange instead of a refund: two other exam products of equal value, free, with the update service on your original purchase retained.
Delivery takes about a minute. Files unlock for instant download at payment and are emailed to you automatically; if 2 hours pass with nothing received, check spam and contact customer service. There is no installation limit, so the test engine can live on every device you own, phone included.
Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Professional breaks down into 6 official domains, led by Transactions, Locking and Advanced Topics (15%), Entity Relationships (18%), and Querying with JPA (20%). You will find the full topic-by-topic outline above on this page; use the weightings to budget your study hours where they pay back the most.
No help, Full refund!
Actual4Exams confidently stands behind all its offerings by giving Unconditional "No help, Full refund" Guarantee. Since the time our operations started we have never seen people report failure in the Oracle 1Z0-355 exam after using our products. With this feedback we can assure you of the benefits that you will get from our products and the high probability of clearing the 1Z0-355 exam.
We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Oracle 1Z0-355 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.
This means that if due to any reason you are not able to pass the 1Z0-355 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.
