Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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- Total Questions: 297
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Retaking 1Z0-819日本語 can add unnecessary cost and delay to your certification schedule. Preparing with 297 practice questions from Actual4dump helps you evaluate your readiness for Oracle Java SE 11 Developer (1Z0-819日本語版) before you commit to another exam date.
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Exam Format: | Multiple Response, Multiple Choice, Drag and Drop |
| Passing Score: | Approximately 68% |
| Available Languages: | Japanese, English |
| Real Exam Qty: | 50-70 (varies) |
| Related Certifications: | Oracle Certified Associate (OCA) Java SE 8/11 Oracle Certified Professional Java SE 8 Developer |
| Certificate Validity Period: | No expiration |
| Exam Duration: | 180 minutes |
| Exam Price: | USD 245 (may vary by country/region) |
| Recommended Training: | Oracle University Java Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or authorized test center |
| Pre Condition: | Recommended: Strong understanding of Java SE 11 fundamentals and prior Java certification knowledge (OCA-level). |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Concurrency | - Multithreading
|
| Topic 2: Java Class Design | - Polymorphism
|
| Topic 3: Generics and Collections | - Generics
|
| Topic 4: Exception Handling | - Error handling in Java
|
| Topic 5: JDBC and Database Connectivity | - Database access
|
| Topic 6: Functional Programming | - Lambda Expressions
|
| Topic 7: Streams API | - Stream operations
|
| Topic 8: Java I/O and NIO | - File handling
|
Common Questions About Oracle Java SE 11 Developer (1Z0-819日本語版)
The 1Z0-819日本語 exam, Java SE 11 Developer (1Z0-819日本語版), assesses whether a candidate can apply Oracle knowledge to the skills measured by this credential. It is associated with the Oracle Certified Professional (OCP), Java SE 11 Developer certification. The certification is positioned at the Professional level. Related credentials include Oracle Certified Associate (OCA) Java SE 8/11, Oracle Certified Professional Java SE 8 Developer.
The 1Z0-819日本語 exam includes 50-70 (varies) questions and allows 180 minutes. Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with Actual4dump practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for Oracle Java SE 11 Developer (1Z0-819日本語版) is Approximately 68%, and the official exam fee is USD 245 (may vary by country/region). A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 297 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for Oracle Java SE 11 Developer (1Z0-819日本語版) is: Recommended: Strong understanding of Java SE 11 fundamentals and prior Java certification knowledge (OCA-level). Before registering, review the eligibility details on the official exam page to confirm the requirements.
You can register for Oracle Java SE 11 Developer (1Z0-819日本語版) through the following channels:
The available exam delivery format is Online proctored or authorized test center.
The following official training resources are recommended for Oracle Java SE 11 Developer (1Z0-819日本語版):
After reviewing these training options, you can reinforce each topic with 297 practice questions from Actual4dump.
Yes. Actual4dump provides a free PDF demo so you can review the format and quality of the Oracle Java SE 11 Developer (1Z0-819日本語版) practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
If you take the corresponding 1Z0-819日本語 exam within 60 days of purchase and do not pass, you may apply for a full refund under the 100% Money Back Guarantee. Claims based on an exam taken within 3 days of purchase are not eligible; free materials, expired orders, and downloaded products that were not used before sitting for the exam are also excluded. The candidate name must match the payer name.
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The published Oracle Java SE 11 Developer (1Z0-819日本語版) outline contains 8 major domains. The opening domains include:
- JDBC and Database Connectivity (official weight not provided)
- Streams API (official weight not provided)
- Functional Programming (official weight not provided)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:
書店の売上は、顧客の名前と購入した書籍が入力された Sale オブジェクトのリストで表されます。
パブリッククラスセール{
プライベート文字列顧客;
プライベート List<Book> アイテム;
// コンストラクタ、セッター、ゲッターは表示されません
}
パブリッククラス Book {
プライベート文字列名;
プライベートダブル価格;
// コンストラクタ、セッター、ゲッターは表示されません
}
Sale オブジェクトのリスト tList が与えられた場合、どのコード フラグメントが各顧客の合計売上を昇順でリストに作成しますか。
- A. オプションA
- B. オプションC
- C. オプションB
- D. オプションD
Correct Answer: B 🗳️
次のコードフラグメントがあるとします:
結果はどうなりましたか？
- A. プログラムは何も出力しません。
- B. 1
- C. 0
- D. 0
- E. 無限ループで 1 を出力します。
- F. 1
Correct Answer: A 🗳️
与えられた条件:
1 行目に相当する文はどれですか?
- A. double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce(bo).orElse(0.0);
- B. double totalSalary = list.stream().mapToDouble(e -> e.getSalary() * ratio).sum;
- C. double totalSalary = list.stream().map(e -> e.getSalary() * ratio).reduce(bo).ifPresent(p -> p.doubleValue());
- D. double totalSalary = list.stream().mapToDouble(e -> e.getSalary() * ratio).reduce(starts, bo);
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump 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:
結果はどうなりましたか？
- A. 0 8
- B. 0 8 10
- C. コードは何も出力しません。
- D. 0
- E. 0 4 9
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
有効な注釈の使用法はどれですか? (3 つ選択してください。)
- A. var myString = (@NonNull String) str;
- B. 関数<String, String> func = (@NonNull x) -> x.toUpperCase();
- C. Function<String, String> func = (@NonNull var x) -> x.toUpperCase();
- D. 関数<String, String> func = (var @NonNull x) -> x.toUpperCase();
- E. var v = "Hello" + (@Interned) "World"
- F. var obj = new @Interned MyObject();
Correct Answer: B,D,F 🗳️
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