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To prepare for the Oracle 1z0-809 Exam, candidates must have a solid understanding of Java programming concepts and syntax. They must also have hands-on experience working with Java APIs and be familiar with various Java development tools. Additionally, candidates can take advantage of Oracle's official study materials, such as books, practice exams, and online training courses, to prepare for the exam. Passing the Oracle 1z0-809 Exam demonstrates that a candidate has advanced Java programming skills, making them a valuable asset to any organization that works with Java technology.

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

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