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

  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Aug 09, 2026     Q & A: 209 Questions and Answers

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Certified specialists in the field of Java development are highly valued by employers of large IT companies, so only those candidates who have proven their practical skills in using Java language by passing specialized Oracle exams can avoid serious competition and show their expertise. However, having the OCP Java SE 8 Programmer certificate will not only set you apart from other applicants but allow you to qualify for a higher salary.

So now that you see the benefits and are ready to continue on the path to Oracle certification, enroll for the Oracle 1Z0-809 exam and start preparing diligently. You have all the possibilities in your hands, it is enough to cast aside doubts and start studying hard to get ahead of the challenging job market.

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

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