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Oracle 1z0-809: Java SE 8 Programmer II is a certification exam designed to test the knowledge and skills of Java developers. 1z1-809-JPN exam is intended for professionals who have already earned the Oracle Certified Associate (OCA) Java SE 8 Programmer certification and want to progress to the next level. 1z1-809-JPN exam is aimed at testing the candidate's proficiency in advanced features and APIs of Java SE 8.

Oracle 1z0-809 certification exam is an essential step in your career as a Java developer. Java SE 8 Programmer II (1z0-809日本語版) certification demonstrates your proficiency in Java SE 8 programming and validates your skills and expertise. By preparing for and passing 1z1-809-JPN exam, you can enhance your career opportunities and increase your earning potential.

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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Oracle 1z0-809日本語 Exam Syllabus Topics:

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

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