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

1z0-809 Korean Exam Questions
  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Aug 11, 2026
  • Q & A: 209 Questions and Answers
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  • Building Database Applications with JDBC
  • Java I/O Fundamentals
  • Localization
  • Java File I/O (NIO.2)
  • Exceptions and Assertions
  • Advanced Java Class Design
  • Generics and Collections
  • Lambda Built-in Functional Interfaces
  • Java Class Design
  • Java Stream API
  • Java Concurrency
  • Use Java SE 8 Date/Time API

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Oracle 1z0-809 Korean Exam Syllabus Topics:

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

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