Failing the 310-231 exam means paying the full registration fee a second time, and in 2026 that is a cost few candidates want to repeat. GuideTorrent helps you walk in prepared, with 96 practice questions mapped to the current SUN Sun Certified Developer for Java Web Services 5 objectives.
SUN 310-231 Exam Overview:
| Certification Vendor: | Sun Microsystems (acquired by Oracle) |
|---|---|
| Exam Name: | Upgrade Exam: Sun Certified Developer for Java Web Services 5 |
| Exam Number: | 310-231 / CX-310-231 |
| Passing Score: | 40% (20 out of 48) |
| Certificate Validity Period: | Valid for life (no expiration) |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Scenario-based, Multiple-choice |
| Exam Price: | USD $150 (original); retired |
| Related Certifications: | Sun Certified Developer for Java Web Services Oracle Certified Professional, Java EE 5 Web Services Developer |
| Real Exam Qty: | 48 |
| Recommended Training: | Oracle Java EE 5 Web Services Development |
| Exam Registration: | Oracle Education (legacy) |
| Sample Questions: |  |
| Exam Way: | Delivered at authorized Pearson VUE test centers; RETIRED (no longer available) |
| Pre Condition: | Must hold Sun Certified Developer for Java Web Services (prior version) or equivalent |
| Official Syllabus URL: | https://education.oracle.com/oracle-certification-exam-cx-310-231 |
SUN 310-231 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: SOAP Message Handling | 15% | - SOAP headers, faults, attachments (MTOM) - Handlers and message interceptors |
| Topic 2: JAX-WS & JAXB | 25% | - JAX-WS service endpoints and annotations - JAXB data binding and XML mapping |
| Topic 3: Deployment & Interoperability | 10% | - Interoperability with different platforms - Packaging and deployment in Java EE |
| Topic 4: Web Services Security | 15% | - Message integrity and confidentiality - WS-Security, HTTPS, authentication |
| Topic 5: XML & Web Services Fundamentals | 20% | - WSDL 1.1/2.0 structure and components - XML Schema, Namespaces, SOAP 1.1/1.2 |
| Topic 6: JAX-RS & RESTful Services | 15% | - Resource design and HTTP methods - REST principles, JAX-RS annotations |
SUN 310-231 Exam: Your Questions, Answered
The SUN Sun Certified Developer for Java Web Services 5 exam is the official SUN assessment behind the Sun Certified Developer for Java Web Services 5 (SCDJWS 5) credential, which sits at the Professional level. Passing it confirms that your skills meet the vendor's current requirements rather than a textbook outline. It also connects with related certifications such as Sun Certified Developer for Java Web Services, Oracle Certified Professional, Java EE 5 Web Services Developer, so it can anchor a broader certification path.
According to the official exam information, the SUN Sun Certified Developer for Java Web Services 5 exam includes 48 questions and gives you 90 minutes to complete them. Treat that as a pacing exercise, not just a knowledge check: bank the questions you know first, flag the ones that stall you, and circle back instead of burning minutes on a single item. Before test day, run at least one full timed session in the GuideTorrent desktop or online test engine, so the clock never feels unfamiliar when it counts.
To pass the SUN Sun Certified Developer for Java Web Services 5 exam you need 40% (20 out of 48), and the official registration fee is USD $150 (original); retired. Keep one thing in mind: a failed attempt is not discounted, so retaking the exam means paying USD $150 (original); retired again in full. A practical safeguard is to sit a complete GuideTorrent practice test a week or two before your exam date; if your timed scores are not sitting comfortably above the passing mark, consider pushing your booking back and drilling the weak domains first.
The official prerequisites for the SUN Sun Certified Developer for Java Web Services 5 exam are as follows: Must hold Sun Certified Developer for Java Web Services (prior version) or equivalent. Requirements can change over time, so confirm the details on the official SUN exam page at https://education.oracle.com/oracle-certification-exam-cx-310-231 before you book your seat.
You can register through the official channels listed below:
Exam delivery: Delivered at authorized Pearson VUE test centers; RETIRED (no longer available).
SUN points candidates toward the following official training options:
Official training builds the theory; the 96 practice questions from GuideTorrent show you how that theory appears in exam-style items, which is where most study plans actually pay off.
Yes. A free PDF demo of the SUN Sun Certified Developer for Java Web Services 5 practice questions is available on the GuideTorrent samples page, so you can check the question style and difficulty before spending anything. Every purchase also includes 365 days of free updates, and if your product expires after that period, you can extend the update service from your member zone at 50% off.
If you take the 310-231 exam within 60 days of your purchase and do not pass, GuideTorrent offers a 100% money-back guarantee: send a scanned copy of your exam enrollment slip together with the official Score Report PDF within two days of your exam date, and the refund is processed within seven days. The candidate name must match the payer name, and the guarantee does not apply to exams taken within three days of purchase, to material that was downloaded without the exam actually being taken, or to free materials and expired orders. Prefer to keep studying instead? You can exchange your purchase for two additional exam products of equal value, free of charge, while keeping the update service on your original product. Delivery itself is instant: the download link is emailed within one minute of payment, and if nothing arrives within two hours, our support team will sort it out. There is no limit on how many computers you install the material on.
The SUN Sun Certified Developer for Java Web Services 5 syllabus is organized into 6 domains. The leading areas include Deployment & Interoperability (10%), Web Services Security (15%), and JAX-RS & RESTful Services (15%). For the complete, topic-by-topic breakdown, scroll up to the Exam Topics section above.
