Oracle 1z0-809 Korean : Java SE 8 Programmer II (1z0-809 Korean Version)

  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Sep 01, 2026
  • Q & A: 209 Questions and Answers

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Oracle 1z0-809 Korean Exam Syllabus Topics:

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

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