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

Oracle 1z0-809 Korean test insides dumps
  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Sep 26, 2026
  • Q & A: 209 Questions and Answers
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Who should take the 1Z0-809 exam

The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.

The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.

The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.

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

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