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Oracle 1z0-809 Korean

1z0-809 Korean

Exam Code: 1z1-809-KR

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

Updated: Aug 05, 2026

Q&A Number: 209 Q&As

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1Z0-809 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Oracle 1Z0-809 exam dumps will include the following topics:

  • Localization
  • Use Java SE 8 Date/Time API
  • Java File I/O (NIO.2)
  • Java Concurrency
  • Java Stream API
  • Generics and Collections
  • Advanced Java Class Design
  • Building Database Applications with JDBC
  • Java Class Design
  • Java I/O Fundamentals
  • Exceptions and Assertions
  • Lambda Built-in Functional Interfaces

How much 1Z0-809 Exam Cost

The price of the 1Z0-809 exam is $245 USD.

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

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