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

1z0-809 Korean Exam Simulator
  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Aug 25, 2026
  • Q & A: 209 Questions and Answers

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What is the duration of the 1Z0-809 Exam

  • Format: Multiple choices, multiple answers
  • Passing Score: 65%
  • Number of Questions: 85
  • Length of Examination: 150 minutes

Oracle 1z0-809 Korean Exam Syllabus Topics:

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

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