Last Updated: Oct 09, 2026
No. of Questions: 60 Questions & Answers with Testing Engine
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| Section | Objectives |
|---|---|
| Topic 1: Language Enhancements | - Try-with-resources and AutoCloseable - Multi-catch exception handling - String in switch, binary and underscore numeric literals - Static and default interface methods |
| Topic 2: Java File I/O (NIO.2) | - Directory traversal and WatchService - Path and Files operations - PathMatcher and file tree walking |
| Topic 3: Concurrency | - Fork/Join Framework and parallelism - Lock, ReadWriteLock, ReentrantLock and atomic variables - java.util.concurrent classes and thread pools |
| Topic 4: Localization and Date/Time | - Locale and resource bundles - Date and time API (LocalDate, LocalTime, Instant, Period, Duration) - Formatting dates, numbers and currency |
| Topic 5: Java Collections & Streams | - Stream API, filtering, mapping and reduction - Enhancements to collections and iterating with lambdas |
| Topic 6: Lambda and Functional Features | - Method references and built-in functional types - Functional interfaces and lambda expressions |
The 1z1-813日本語 exam is Oracle's gatekeeper for the Oracle Java SE certification, a credential at the Professional / Upgrade level. Passing it says you can apply the Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) objectives to real problems — a claim employers can act on. It also sits within a broader certification family covering Oracle Certified Professional, Java SE 8 Programmer (1Z0-809), Upgrade Java SE 7 to Java SE 8 OCP (1Z0-810), so the work you put in here compounds. Easier said than earned — which is exactly why structured practice beats self-directed wandering.
The Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) blueprint spans 6 domains, led by Concurrency, Language Enhancements, and Java Collections & Streams. Read the weightings as marching orders: the domain with the largest share of the score gets the largest share of your week. The full topic list is in the exam topics section above — study to it, not around it.
The Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) exam packs 60 questions into 130 minutes. Convert that into a personal tempo before test day: minutes divided by questions is your per-item budget, and anything burning double its budget gets flagged and revisited at the end. Rehearse the tempo against a live timer — every Exam4Labs engine session enforces one — until finishing with review time to spare feels normal.
Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) requires 63% to pass, and each attempt costs Varies by region (USD approx pricing; check Oracle official pricing) — including retakes, at full price. The financially sane strategy is arriving over-prepared: drill with Exam4Labs practice questions until your timed scores clear the mark across several consecutive sessions, then register. Over-preparation is cheaper than re-registration.
Oracle lists the Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) question formats as: Multiple Choice (single or multiple answers). Formats shape tactics — locate the actual question sentence inside long scenario stems before reading the rest, and re-verify every selection on multi-answer items. Exam4Labs's 60 practice questions drill these formats until only the content feels new on exam day.
The 1z1-813日本語 exam is offered in English. Choose the language where your comprehension stays fastest under the clock — slow reading is a hidden tax on every question. If you test in English, daily sessions with Exam4Labs's English 1z1-813日本語 practice questions double as vocabulary training.
The certification earned through the Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版) exam stays valid for Varies by Oracle certification policy. Mark the expiry date the day you pass and look into the recertification path early — a planned renewal is an errand, an expired credential is a project. Oracle sets these rules, so confirm the current ones on the official certification page as your window approaches.
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Correct Answer: D 🗳️
Given:

Correct Answer: B 🗳️



Correct Answer: C 🗳️



Correct Answer: A,D 🗳️



Correct Answer: A 🗳️
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