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  • Total Questions: 209
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Oracle 1z0-809日本語 Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Certificate Validity Period:Does not expire
Real Exam Qty:68
Passing Score:65%
Available Languages:Chinese Simplified, English
Exam Price:$245 USD
Exam Duration:120 minutes
Exam Format:Multiple Choice
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored exam or test center delivery
Pre Condition:Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).
Official Syllabus URL:https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809

Oracle 1z0-809日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced Java Class Design- Advanced object-oriented features
  • 1. Develop Lambda expressions
  • 2. Use enum types
  • 3. Use the final keyword
  • 4. Use abstract classes and interfaces
  • 5. Create nested and inner classes
Topic 2: Exceptions and Assertions- Error handling
  • 1. Create custom exceptions
  • 2. Use assertions
  • 3. Use try-catch and try-with-resources
Topic 3: Java SE 8 Date/Time API- Date and time handling
  • 1. Use LocalDate, LocalTime, and LocalDateTime
  • 2. Format and parse date values
  • 3. Use Period and Duration
Topic 4: Generics and Collections- Collections framework
  • 1. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
  • 2. Use Comparator and Comparable
  • 3. Iterate collections with Streams and forEach
  • 4. Create and use generic classes
Topic 5: Java Concurrency- Multithreading
  • 1. Use synchronized blocks and locks
  • 2. Use concurrent collections
  • 3. Use ExecutorService
  • 4. Create and manage threads
Topic 6: Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Execute SQL statements
  • 3. Process ResultSet data
Topic 7: Java Class Design- Object-oriented principles
  • 1. Create singleton and immutable classes
  • 2. Override equals, hashCode, and toString
  • 3. Use static variables, methods, and initialization blocks
  • 4. Implement encapsulation
  • 5. Implement inheritance and polymorphism
Topic 8: Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use UnaryOperator and BinaryOperator
  • 2. Use Predicate, Consumer, Function, and Supplier
  • 3. Use primitive functional interfaces
Topic 9: Java I/O Fundamentals- Input and output
  • 1. Use serialization
  • 2. Read and write files
  • 3. Use BufferedReader and BufferedWriter
Topic 10: Java File I/O- NIO.2 API
  • 1. Traverse directory structures
  • 2. Read file attributes
  • 3. Use Path and Files classes
Topic 11: Java Stream API- Stream processing
  • 1. Use map, flatMap, and peek
  • 2. Collect and group stream results
  • 3. Sort and filter data using streams
  • 4. Use findFirst, findAny, and match methods
  • 5. Use Optional
Topic 12: Localization- Internationalization
  • 1. Format dates and numbers
  • 2. Handle localization properties
  • 3. Use Locale and ResourceBundle

1z0-809日本語 Exam FAQ

The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam requires a score of 65% to pass, and the official registration fee is $245 USD. Knowing both numbers before you register keeps your preparation budget realistic.

The Oracle Java SE 8 Programmer II (1z0-809日本語版) practice questions are organized around the official exam objectives. Key topics include:

  • Lambda Built-in Functional Interfaces ()
  • Java Concurrency ()
  • Advanced Java Class Design ()

A systematic pass through these topics covers the syllabus end to end.

The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam is scored on a scale where 65% is required to pass, and the official exam fee is $245 USD.

Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).

You can confirm the current eligibility requirements on the official 1z0-809日本語 exam page before you register.

Our experts review the question bank every day, and whenever a new version is released, our system sends it to your email automatically — no request needed. If an update ever seems to go missing, check your junk or spam folder first, since automated messages occasionally land there; contact us if it truly never arrived.

The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam contains 68 questions, and you will have 120 minutes minutes to complete them. Practicing under these exact constraints makes the real exam feel like one more rehearsal.

Yes. If anything about the updated material or your preparation is unclear, you can contact our experts directly after purchase. They will work through your question and offer professional advice on how to approach the material, so the product comes with guidance, not just files.

This package includes 209 practice questions for the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam. Every answer is verified by an experienced team of experts, so you can trust what you study.

Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:

employee.txtファイルの内容を考えると:
すべての労働者はマスターです。
employee.txtファイルがアクセス可能であり、ファイルallemp.txtが存在しないこと、およびコードの断片を考えると:

結果は何ですか?

  • A. allemp.txt is created and the content of employee.txt is copied to it.
  • B. The program executes, does NOT affect the system, and produces NO output.
  • C. Exception 1
  • D. Exception 2
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

コードの断片を考えると:

行7に挿入されると、100の印刷を可能にするコードフラグメントはどれですか?

  • A. Function<Integer> funRef = e -> e + 10;Integer result = funRef.apply(value);
  • B. IntFunction funRef = e -> e + 10;Integer result = funRef.apply (10);
  • C. ToIntFunction<Integer> funRef = e -> e + 10;int result = funRef.applyAsInt (value);
  • D. ToIntFunction funRef = e -> e + 10;int result = funRef.apply (value);
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

The data.doc, data.txt and data.xml files are accessible and contain text.
Given the code fragment:
Stream<Path> paths = Stream.of (Paths. get("data.doc"),
Paths. get("data.txt"),
Paths. get("data.xml"));
paths.filter(s-> s.toString().endWith("txt")).forEach(
s -> {
try {
Files.readAllLines(s)
.stream()
.forEach(System.out::println); //line n1
} catch (IOException e) {
System.out.println("Exception"); }
}
);
結果は何ですか?

  • A. The program prints the content of data.txt file.
  • B. The program prints:
    Exception
    <<The content of the data.txt file>>
    Exception
  • C. The program prints the content of the three files.
  • D. A compilation error occurs at line n1.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

コードの断片を考えると:

そして

empslistの要素を並べ替えることができる2つの変更はどれですか? (2つ選択してください。)

  • A. At line n2 insert
    public int compare (Person p1, Person p2) {
    return p1.name.compareTo (p2.name);
    }
  • B. Replace line n1 with
    class Person implements Comparator<Person>
  • C. At line n2 insert:
    public int compareTo (Person p, Person p2) {
    return p1.name.compareTo (p2.name);
    }
  • D. At line n2 insert
    public int compareTo (Person p) {
    return this.name.compareTo (p.name);
    }
  • E. Replace line n1 with
    class Person implements Comparable<Person>
  • F. Replace line n1 with
    class Person extends Comparator<Person>
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

JDBC3.0を使用してデータベースドライバーをロードするには、どのアクションを使用できますか?

  • A. Use the java.lang.Class.forName method to load the driver class.
  • B. Add the driver class to the META-INF/services folder of the JAR file.
  • C. Include the JDBC driver class in a jdbc.properties file.
  • D. Use the DriverManager.getDriver method to load the driver class.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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