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

  • Exam Code: 1z0-809-JPN
  • Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
  • Updated: Sep 02, 2026
  • Q & A: 209 Questions and Answers

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About Oracle 1z0-809日本語 Exam Questions

Certification Path

Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.

The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.

Oracle 1z0-809日本語 Exam Syllabus Topics:

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

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