Prepare with Oracle 1Z0-819日本語 exam practice material, pass for sure
Updated: Oct 15, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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The benefit in Obtaining the 1Z0-819 Exam Certification
- Java SE 11 Developer Exam provides practical experience to candidates from all the aspects to be a proficient worker in the organization
- Java SE 11 Developer Exam have more useful and relevant networks that help them in setting career goals for themselves
- Java SE 11 Developer Exam will be confident and stand different from others as their skills are more trained than non-certified professionals
- Java SE 11 Developer Exam networks provide them with the right career direction than non certified usually are unable to get
- Java SE 11 Developer Exam are distinguished among competitors
- Java SE 11 Developer Exam provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience
- Java SE 11 Developer Exam have the knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so
- Java SE 11 Developer Exam can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another
How to book the Java SE 11 Developer Exam Number: 1Z0-819
You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Certificate Validity Period: | No expiration |
| Exam Price: | USD $245 |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Select, Multiple Choice |
| Related Certifications: | Oracle Certified Professional: Java SE 21 Developer Oracle Certified Professional: Java SE 17 Developer |
| Passing Score: | 68% |
| Real Exam Qty: | 50 |
| 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 |
|---|---|---|
| Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Sort and search collections and arrays - Use generics, wildcards and diamond notation |
| Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| 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 |
| Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| 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 |
| Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations |
| Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting |
| Exception Handling and Assertions | 8-12% | - Use assertions appropriately - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws |
| 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 |
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=2、午前=2、最初=1、2番目=1}
- B. {不一致=1、午前=2、最初=1、2番目=1}
- C. {l=不一致、2=午前}
- D. {am=2、first=1、mismatch=1、second=2}
Correct Answer: B 🗳️
正しい var 宣言はどれですか? (2 つ選択してください。)
- A. ここで y = null;
- B. var var = "hello";
- C. var _ = 100;
- D. var names = new ArrayList<>();
- E. 変数 a;
Correct Answer: B,D 🗳️
与えられた条件:
メソッドが Bar に追加された場合、正しい 2 つのステートメントはどれですか? (2 つ選択してください。)
- A. public Collection<String> foo(Collection<String> arg) { ... } は Foo.foo をオーバーライドします。
- B. public <T> Collection<T> bar(Collection<T> arg) { ... } は Foo.foo をオーバーロードします。
- C. public <T> Iterable<T> foo(Collection<T> arg) { ... } は Foo.foo をオーバーライドします。
- D. public <T> Collection<T> foo(Collection<T> arg) { ... } は Foo.foo をオーバーロードします。
- E. public <T> Collection<T> foo(Stream<T> arg) { ... } は Foo.foo をオーバーロードします。
- F. public <T> List<T> foo(Collection<T> arg) { ... } は Foo.foo をオーバーライドします。
Correct Answer: C,F 🗳️
与えられた条件:
次の要件を調べます。
コードの重複を排除します。
他のクラスがこのインターフェースから実装できるメソッドの数を一定に保ちます。
これらの要件を満たすためにどの方法を追加できますか?
- A. オプションB
- B. オプションC
- C. オプションA
- D. オプションD
Correct Answer: A 🗳️
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