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

  • Exam Code: 1z0-809 Korean
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Jul 24, 2026
  • Q & A: 209 Questions and Answers

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About Oracle 1z0-809 Korean Exam

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Oracle Certified Java Programmer is the most powerful certification that candidates can have on their resume. But for this, they will have to pass Oracle 1Z0-809 questions. Oracle 1Z0-809 is a challenging exam to pass this exam Candidates will have to work hard with the help of right focus and preparation material passing this exam is an achievable goal. Prep4away help candidates by providing the most relevant and updated Oracle 1Z0-809 exam dumps. Furthermore, We also provide the Oracle 1Z0-809 practice test that will be much beneficial in the preparation. Prep4away aims to provide the best Oracle 1Z0-809 exam dumps that is verified by the Oracle experts. If Candidates feel any doubt in the Oracle 1Z0-809 practice test then our team is always there to help them. Oracle 1Z0-809 exam dumps are the perfect way to prepare Oracle 1Z0-809 exam with good grades in the just first attempt. So, Candidates want instant success in the Oracle 1Z0-809 exam with quality Oracle 1Z0-809 training material then Prep4away is the best option for them because our management is well trained in it and we update each question of all exams on regular basis after consulting recent updates with our Oracle certified professionals.

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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.

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

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