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

  • Exam Code: 1z1-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Sep 17, 2026
  • Q&As: 209 Questions and Answers

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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 Exam Reference

Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.

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For more info visit: Oracle Java8 1Z0-809 Exam Reference

Oracle 1z0-809 Korean Exam Syllabus Topics:

SectionObjectives
Java File I/O- NIO.2 API
  • 1. Read file attributes
  • 2. Use Path and Files classes
  • 3. Traverse directory structures
Localization- Internationalization
  • 1. Handle localization properties
  • 2. Format dates and numbers
  • 3. Use Locale and ResourceBundle
Java Class Design- Object-oriented principles
  • 1. Implement inheritance and polymorphism
  • 2. Use static variables, methods, and initialization blocks
  • 3. Create singleton and immutable classes
  • 4. Override equals, hashCode, and toString
  • 5. Implement encapsulation
Java SE 8 Date/Time API- Date and time handling
  • 1. Format and parse date values
  • 2. Use Period and Duration
  • 3. Use LocalDate, LocalTime, and LocalDateTime
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
Generics and Collections- Collections framework
  • 1. Iterate collections with Streams and forEach
  • 2. Create and use generic classes
  • 3. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
  • 4. Use Comparator and Comparable
Java Concurrency- Multithreading
  • 1. Use concurrent collections
  • 2. Use ExecutorService
  • 3. Use synchronized blocks and locks
  • 4. Create and manage threads
Java I/O Fundamentals- Input and output
  • 1. Read and write files
  • 2. Use serialization
  • 3. Use BufferedReader and BufferedWriter
Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Execute SQL statements
  • 3. Process ResultSet data
Exceptions and Assertions- Error handling
  • 1. Use try-catch and try-with-resources
  • 2. Create custom exceptions
  • 3. Use assertions
Advanced Java Class Design- Advanced object-oriented features
  • 1. Create nested and inner classes
  • 2. Develop Lambda expressions
  • 3. Use abstract classes and interfaces
  • 4. Use the final keyword
  • 5. Use enum types
Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use primitive functional interfaces
  • 2. Use Predicate, Consumer, Function, and Supplier
  • 3. Use UnaryOperator and BinaryOperator

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