Oracle Java SE 11 Developer (1Z0-819日本語版) : 1Z0-819日本語
- Exam Code: 1Z0-819日本語
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Nov 04, 2026 Q&As: 297 Questions and Answers
- Q & A: 297 Questions and Answers
About Oracle Java SE 11 Developer (1Z0-819日本語版) : 1Z0-819日本語 Exam
The Oracle certificate is respected precisely because earning it is hard; the 1Z0-819日本語 exam filters out candidates who prepare casually. DumpsTests prepares you seriously: 297 practice questions for the Oracle Java SE 11 Developer (1Z0-819日本語版), compiled and cross-reviewed by experts with years of experience in this exam's content.
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Related Certifications: | Oracle Certified Professional: Java SE 17 Developer Oracle Certified Professional: Java SE 21 Developer |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Exam Price: | USD $245 |
| Real Exam Qty: | 50 |
| Exam Format: | Multiple Select, Multiple Choice |
| Certificate Validity Period: | No expiration |
| Exam Duration: | 90 minutes |
| Passing Score: | 68% |
| 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 |
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 8-12% | - Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture |
| Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting |
| Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction |
| Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Create custom exceptions and use standard exceptions - Use assertions appropriately |
| Arrays and Collections | 12-18% | - Sort and search collections and arrays - Use generics, wildcards and diamond notation - Create and manipulate arrays, lists, sets, maps, queues and deques |
| JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Java Platform Module System | 8-12% | - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications - Use automatic modules and unnamed modules |
| Java I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels |
| Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations |
Oracle 1Z0-819日本語 Exam — Ask Us Anything
The 1Z0-819日本語 exam — officially the Java SE 11 Developer (1Z0-819日本語版) — is Oracle's certification exam for professionals who work with its technologies, and passing it awards the Oracle Certified Professional: Java SE 11 Developer certification at the Professional level. Vendor-issued credentials like this one remain among the clearest signals of skill a resume can carry. It also connects naturally to Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer as a next step.
Yes — DumpsTests offers a free PDF demo of the 1Z0-819日本語 practice questions so you can inspect the question quality and verified answers before paying anything. Once you purchase, 365 days of free updates are included, and if the product expires, the update service renews at a 50% discount from your member zone.
Passing the 1Z0-819日本語 exam requires 68%, and the official registration fee is USD $245. That fee buys a single attempt — a retake is charged at full price again. The smart sequence is to rehearse first: cycle through 297 practice questions at DumpsTests under timed conditions until your scores clear the passing mark with margin, then book.
The Oracle Java SE 11 Developer (1Z0-819日本語版) blueprint comprises 10 domains, led by Java I/O and NIO.2 (8-12%), Arrays and Collections (12-18%), and Secure Coding and Localization (5-8%). The complete weighted syllabus is in the section above — accurate preparation starts with knowing exactly what the exam weights most.
Oracle recommends the following training for the Oracle Java SE 11 Developer (1Z0-819日本語版):
Courses build understanding; carefully compiled practice builds accuracy under pressure. Combine either resource above with 297 practice questions from DumpsTests and your preparation covers both.
No mandatory prerequisites; recommended: solid Java programming knowledge and development experience
Vendor criteria evolve, so before you schedule anything, verify the latest requirements on the official Oracle exam page.
Registration for the Oracle Java SE 11 Developer (1Z0-819日本語版) runs through these official channels:
Worth noting when you book: the 1Z0-819日本語 exam is delivered Online proctored or onsite at Pearson VUE test centers.
Delivery first: download immediately after payment, with an email copy arriving within one minute. If 2 hours pass with no email, check spam and contact our support team. You can install the software on as many computers as you need — no device limit.
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Expect 50 questions inside 90 minutes on the 1Z0-819日本語 exam. The clock is the quiet examiner: knowing the content is not enough if pacing fails you. Rehearse with the DumpsTests Windows software or online engine in timed mode — the smooth, stable interface means nothing technical distracts you while you build your rhythm.
Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:
次のコードフラグメントがあるとします:
どのコードフラグメントが for ステートメントを置き換えますか?
- A. IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);
- B. IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);
- C. intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);
- D. IntStream.ranged、100).map(FizzBuzz::convert).forEach(System.out::println);
Correct Answer: B 🗳️
与えられた条件:
javac の予想される結果は何ですか?
- A. javac はクラスのコンパイルに失敗し、エラー メッセージ C:\workspace4\Mycar.java:1:error: パッケージ java が存在しません を出力します。
- B. javac はエラーや警告なしで Mycar.java をコンパイルします。
- C. javac はクラスのコンパイルに失敗し、エラー メッセージを出力します。エラー: メイン クラス Mycar.class が見つからないか、ロードできませんでした。
- D. javac はクラスのコンパイルに失敗し、エラー メッセージ C:\workspace4\Mycar.java:1:error: expected import java.lang を出力します。
Correct Answer: B 🗳️
どのコードフラグメントがコンパイルされますか?
- A. オプションD
- B. オプションB
- C. オプションA
- D. オプションC
Correct Answer: A 🗳️
Explanation: Only visible for DumpsTests members. You can sign-up / login (it's free).
次の列挙型宣言があるとします。
次のコードを調べてください:
System.out.println(Letter.values()[1]);
このコードで 200 を出力するには、5 行目にどのようなコードを記述する必要がありますか?
- A. public String toString() { return String.valueOf(Letter.values()[1]); }
- B. public String toString() { return String.valueOf(ALPHA.v); }
- C. 文字列toString() { "200"を返します; }
- D. パブリック String toString() { 戻り値 String.valueOf(v); }
Correct Answer: D 🗳️
Explanation: Only visible for DumpsTests members. You can sign-up / login (it's free).
与えられた条件:
結果はどうなりましたか？
- A. スイカオレンジレモンブドウアプリコットりんご
- B. リンゴアプリコットグレープレモンオレンジスイカ
- C. リンゴオレンジブドウレモンアプリコットスイカ
- D. 何もない
Correct Answer: A 🗳️
Explanation: Only visible for DumpsTests members. You can sign-up / login (it's free).
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