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Updated: Oct 16, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Real Exam Qty: | 50 |
| Related Certifications: | Oracle Certified Professional: Java SE 17 Developer Oracle Certified Professional: Java SE 21 Developer |
| Exam Duration: | 90 minutes |
| Passing Score: | 68% |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Price: | USD $245 |
| Certificate Validity Period: | No expiration |
| Available Languages: | Chinese (Traditional, Taiwan only), English |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Pearson VUE Oracle University |
| 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 |
Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Working with Arrays and Collections
- Annotations
- Java I/O API
- Database Applications with JDBC
- Java Platform Module System
- Java Object-Oriented Approach
- Working with Java data types
Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java I/O and NIO.2 | 8-12% | - Read and write data using streams, readers, writers and channels - Manage files, directories and file attributes with java.nio.file API - Implement serialization and deserialization |
| Topic 2: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers |
| Topic 3: Working with Java Data Types | 10-15% | - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes |
| Topic 4: Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations - Use Optional class and primitive type streams |
| Topic 5: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 6: 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 7: 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 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: Java Platform Module System | 8-12% | - Compile, package and run modular applications - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules |
| Topic 10: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:
与えられた条件:
結果はどうなりましたか？
- A. 実行時に例外がスローされます
- B. グリーンさん
- C. 緑
- D. ブルーさん
Correct Answer: D 🗳️
1 行目にガベージ コレクションの対象となる Thing オブジェクトはいくつありますか?
- A. 4
- B. 1
- C. 3
- D. 0
- E. 2
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. プログラムは何も印刷しません。
- B. 1
- C. 0
- D. 01
- E. 無限ループで 1 を出力します。
Correct Answer: A 🗳️
与えられた条件:
結果はどうでしょうか:
Xは2です
- A. 値0の解析エラー
- B. 1 行目のエラーのためコンパイルが失敗します。
- C. 2 行目のエラーのためコンパイルが失敗します。
- D. Xは10です。
Correct Answer: C 🗳️
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