Download Oracle : 1Z0-819日本語 Questions & Answers as PDF & Test Software
Updated: Oct 17, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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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.
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Available Languages: | Japanese, English |
| Exam Duration: | 180 minutes |
| Real Exam Qty: | 50-70 (varies) |
| Exam Format: | Multiple Choice, Multiple Response, Drag and Drop |
| Certificate Validity Period: | No expiration |
| Related Certifications: | Oracle Certified Associate (OCA) Java SE 8/11 Oracle Certified Professional Java SE 8 Developer |
| Passing Score: | Approximately 68% |
| Exam Price: | USD 245 (may vary by country/region) |
| Recommended Training: | Oracle University Java Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | Oracle 1Z0-819日本語 Sample Questions |
| 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 |
Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Create and use enumerations
- Initialize objects and their members using instance and static initialiser statements and constructors
- Understand variable scopes, apply encapsulation and make objects immutable
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Define and use fields and methods, including instance, static and overloaded methods
- Secure resource access including filesystems, manage policies and execute privileged code
- Create and use subclasses and superclasses, including abstract classes
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Java Class Design | - Encapsulation and Inheritance
|
| Topic 2: JDBC and Database Connectivity | - Database access
|
| Topic 3: Generics and Collections | - Generics
|
| Topic 4: Functional Programming | - Lambda Expressions
|
| Topic 5: Exception Handling | - Error handling in Java
|
| Topic 6: Streams API | - Stream operations
|
| Topic 7: Java I/O and NIO | - File handling
|
| Topic 8: Concurrency | - Multithreading
|
Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:
与えられた条件:
文字列 originalPath = "data\\projects\\a-project\\..\\..\\another-project"; Path path = Paths.get(originalPath); System.out.print(path.normalize()); 結果は何でしょうか?
- A. data\projects\a-project\..\..\another-project
- B. data\\projects\\a-project\\..\\..\\another-project
- C. データ\別のプロジェクト
- D. data\projects\a-project\another-project
Correct Answer: A 🗳️
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
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 names = new ArrayList<>();
- C. 変数 a;
- D. var var = "hello";
- E. var _ = 100;
Correct Answer: B,D 🗳️
与えられた条件:
結果はどうなりましたか？
- A. ヌル博士
- B. ドクター・フー
- C. ヌル
- D. 実行時に例外がスローされます。
Correct Answer: C 🗳️
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
与えられた条件:
x の種類は何ですか?
- A. リスト<文字列>
- B. リスト<文字>
- C. 文字列
- D. 文字
Correct Answer: C 🗳️
Box. Java からのコードフラグメントは次のとおりです。
item.java のコード フラグメントは次のとおりです。
次の情報が与えられます:
Boxクラスとitemsクラスは、ゲッターメソッドとセッターメソッドでカプセル化されています。BoxクラスとItemクラスには、必要なコンストラクタのソースコードが含まれています。
そしてコードフラグメント:
どのアクションが b1 オブジェクトをシリアル化しますか?
- A. Book クラスの readObject() メソッドと writeObject() メソッドをオーバーライドします。
- B. アイテム クラスに Serializable インターフェイスを実装します。
- C. BoxとアイテムクラスにSerialVersionIDを追加します。
- D. out.flush() メソッドの呼び出しを削除します。
- E. try 句で NoteSerilaizeableException を処理するか、main() メソッド定義で throw します。
Correct Answer: B 🗳️
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