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The Oracle Java SE 11 Developer (1Z0-819日本語版) exam has a reputation for tripping up even experienced professionals. Fast2test breaks it down into 297 practice questions with verified answers, so you walk into 1Z0-819日本語 in 2026 knowing exactly what to expect.
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Passing Score: | 68% |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Certificate Validity Period: | No expiration |
| Related Certifications: | Oracle Certified Professional: Java SE 21 Developer Oracle Certified Professional: Java SE 17 Developer |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 50 |
| Exam Price: | USD $245 |
| Exam Format: | Multiple Choice, Multiple Select |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Oracle University Pearson VUE |
| Sample Questions: | Oracle 1Z0-819日本語 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 |
|---|---|---|
| Topic 1: Concurrency | 8-12% | - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture |
| Topic 2: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 3: 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 |
| Topic 4: 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 5: 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 |
| Topic 6: Java I/O and NIO.2 | 8-12% | - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization |
| Topic 7: Working with Java Data Types | 10-15% | - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting |
| Topic 8: 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 9: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 10: Java Platform Module System | 8-12% | - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules - Compile, package and run modular applications |
Oracle Java SE 11 Developer (1Z0-819日本語版) Exam FAQs and Straight Answers
The 1Z0-819日本語 exam, officially titled Java SE 11 Developer (1Z0-819日本語版), is the qualifying test for the Oracle Certified Professional: Java SE 11 Developer certification from Oracle, a credential at the Professional level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer.
The Oracle Java SE 11 Developer (1Z0-819日本語版) exam gives you 90 minutes to work through 50 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
You need 68% to pass, and the official registration fee is USD $245. Fall short and you pay that fee in full again for every retake, which makes solid preparation the cheaper option by far. Work through the Fast2test practice questions until you score comfortably above the passing mark, then book your seat.
No mandatory prerequisites; recommended: solid Java programming knowledge and development experience Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: Oracle 1Z0-819日本語 exam overview.
You can book your 1Z0-819日本語 exam through any of these official registration channels:
The exam is delivered as Online proctored or onsite at Pearson VUE test centers, so you can pick the option that fits your schedule when you book.
Oracle recommends the following training for Oracle Java SE 11 Developer (1Z0-819日本語版) candidates:
Pair that training with the 297 practice questions from Fast2test and you can check your readiness topic by topic before exam day.
Yes. Fast2test offers a free PDF demo for the Oracle Java SE 11 Developer (1Z0-819日本語版) exam so you can judge the quality of our questions and answers before paying anything. Every purchase also comes with 365 days of free updates, and once that period expires you can extend your update service at a 50% discount.
Your purchase is protected by a 100% money-back guarantee. If you sit the corresponding 1Z0-819日本語 exam within 60 days of buying and do not pass, send us a scan of your exam enrollment slip together with your official Score Report (PDF) within 2 days of the exam date — the candidate name must match the payer's name — and we will process your full refund within 7 days. Please note that exams taken within 3 days of purchase, materials downloaded without ever sitting the exam, free products, and expired orders are not covered. If you would rather not have a refund, you can exchange your order for two exam products of equal value, free of charge, and keep the update service on your original purchase.
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The Oracle Java SE 11 Developer (1Z0-819日本語版) syllabus is organized into 10 domains. The main areas include Lambda Expressions and Streams (12-18%), Working with Java Data Types (10-15%), and Concurrency (8-12%). Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:
与えられた条件:
要素の順序が予測不可能であることを考慮すると、出力はどうなるでしょうか?
- A. {不一致=1、午前=2、最初=1、2番目=1}
- B. {am=2、first=1、mismatch=1、second=2}
- C. {不一致=2、午前=2、最初=1、2番目=1}
- D. {l=不一致、2=午前}
与えられた条件:
出力は何ですか?
- A. オブジェクト値 25
- B. 1 行目のエラーのためコンパイルが失敗します。
- C. ショート値 25
- D. バイト値25
コードフラグメント:
コードフラグメントの実行時にどのような状況が発生しますか?
- A. 飢餓
- B. ライブロック
- C. デッドロック
- D. 競合状態
与えられた条件:
どの 3 つのクラスが printOne() を正常にオーバーライドしますか? (3 つ選択してください。)

- A. オプションE
- B. オプションD
- C. オプションC
- D. オプションB
- E. オプションA
- F. オプションF
与えられた条件:
出力は何ですか?
- A. コンパイル エラーがスローされます。
- B. コピー機からのメッセージ: Attempt00
- C. 抽象コピーからのメッセージ: Attempt00
- D. ランタイム エラーがスローされます。
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