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Exam Code: 1z0-809
Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
Certification Provider: Oracle
Corresponding Certification: Java SE

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1z0-809 Korean

Last Updated: Aug 13, 2026

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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 Korean Exam Syllabus Topics:

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

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