Oracle 1Z0-819日本語 Exam : Java SE 11 Developer (1Z0-819日本語版)
- Exam Code: 1z1-819-JPN
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Oct 20, 2026
- Q & A: 297 Questions and Answers
Every retake of the 1Z0-819日本語 exam is another full registration fee and another month of preparation. The Oracle Java SE 11 Developer (1Z0-819日本語版) practice questions at VerifiedDumps, 297 of them, are the straightforward way to make one attempt enough.
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Exam Format: | Multiple Select, Multiple Choice |
| Related Certifications: | Oracle Certified Professional: Java SE 17 Developer Oracle Certified Professional: Java SE 21 Developer |
| Exam Price: | USD $245 |
| Certificate Validity Period: | No expiration |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Real Exam Qty: | 50 |
| Passing Score: | 68% |
| Exam Duration: | 90 minutes |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Oracle University Pearson VUE |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: solid Java programming knowledge and development experience |
| Official Syllabus URL: | https://education.oracle.com/product/pexam_1z0-819 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions |
| Topic 2: Arrays and Collections | 12-18% | - Sort and search collections and arrays - Create and manipulate arrays, lists, sets, maps, queues and deques - Use generics, wildcards and diamond notation |
| Topic 3: Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately - Create custom exceptions and use standard exceptions |
| Topic 4: JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Topic 5: Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting |
| Topic 6: Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications |
| Topic 7: Java I/O and NIO.2 | 8-12% | - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API |
| Topic 8: Concurrency | 8-12% | - Use parallel streams and CompletableFuture - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future |
| Topic 9: Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Topic 10: Java Object-Oriented Approach | 15-20% | - Apply encapsulation, inheritance, polymorphism and abstraction - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes - Use local variable type inference |
Oracle Java SE 11 Developer (1Z0-819日本語版) is an official Oracle certification exam, identified by exam code 1Z0-819日本語. Passing earns you the Oracle Certified Professional: Java SE 11 Developer certification, classified at the Professional level. It also connects with Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer, so it can serve as a stepping stone in a wider certification plan. In hiring, certificates work as a quick, quantitative standard, and this one tells employers your skills passed the vendor's own measurement.
Oracle Java SE 11 Developer (1Z0-819日本語版) candidates answer 50 questions within 90 minutes. Efficiency under the clock is a trainable skill, not a talent: decide your per-question budget in advance, flag anything that threatens it, and keep moving. Running timed simulations in the VerifiedDumps test engine until you finish with time to spare is the most reliable way to make exam day feel controlled rather than rushed.
The Oracle Java SE 11 Developer (1Z0-819日本語版) exam requires 68% to pass, and official registration costs USD $245. Since retakes bill the full USD $245 again, the economic argument for thorough preparation writes itself. Let the VerifiedDumps practice tests be your measuring stick: when your scores hold above the passing line across several consecutive sessions, the exam stops being a financial risk.
No mandatory prerequisites; recommended: solid Java programming knowledge and development experience
Because vendors adjust their policies, verify the current requirements before registering on the official exam page.
Registration for Oracle Java SE 11 Developer (1Z0-819日本語版) goes through the official channels below.
For planning purposes, note that the exam is delivered Online proctored or onsite at Pearson VUE test centers.
Oracle recommends these training options for Oracle Java SE 11 Developer (1Z0-819日本語版) candidates.
Whatever training path you take, finish it with question practice: the 297 items in the VerifiedDumps 1Z0-819日本語 package are where knowledge turns into exam-day scoring ability.
Yes. VerifiedDumps provides a free PDF demo of the Oracle Java SE 11 Developer (1Z0-819日本語版) questions, so you can evaluate the material before committing. After purchase, updates are free for 365 days, and when your product expires you can extend the update service at a 50% discount.
Your purchase is backed by a 100% money-back guarantee with transparent conditions. Take the Oracle Java SE 11 Developer (1Z0-819日本語版) exam within 60 days of purchase; if you fail, you qualify for a full refund, provided the exam matches your product. Attempts within 3 days of purchase do not qualify, and neither do downloaded-but-unused products, free materials, or expired orders; the candidate name must match the payer name. File with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. You may instead choose an exchange: two other exam products of equal value, free, while your original purchase keeps its update service.
Delivery is immediate: files are downloadable at payment and emailed to you within one minute. If nothing arrives within 2 hours, check spam and contact customer service. Installation is unlimited across your computers.
The Oracle Java SE 11 Developer (1Z0-819日本語版) syllabus is organized into 10 domains, with the largest being Java I/O and NIO.2 (8-12%), Java Platform Module System (8-12%), and Lambda Expressions and Streams (12-18%). The complete breakdown appears in the topics section above; a clear classification of what the exam tests is the first step toward efficient preparation.
与えられた条件:
s が AQCD になる原因はどれですか?
Correct Answer: A 🗳️
ParallelStream を使用するには、1 行目のコードを置き換えます。
どちらが正しいでしょうか?
Correct Answer: D 🗳️
与えられた条件:
var data = 新しいArrayList<>();
data.add("ピーター");
データを追加します(30);
data.add("マーケットロード");
データセット(1, 25)
データを削除(2);
データセット(3, 1000L)
System.out.print(データ);
出力は何ですか?
Correct Answer: B 🗳️
Explanation: Only visible for VerifiedDumps members. You can sign-up / login (it's free).
次のコードフラグメントがあるとします:
ファイルを読み込む前にパス名を検証する必要があります。検証の前に、すべてのパス名を正規化する必要があります。
nl 行に挿入されたどのコードがこれを実現しますか?




Correct Answer: A 🗳️
与えられた条件:
出力は何ですか?
Correct Answer: C 🗳️
Explanation: Only visible for VerifiedDumps members. You can sign-up / login (it's free).
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