Oracle 1z0-809 Korean Valid Q&A - in .pdf

  • 1z0-809 Korean pdf
  • Exam Code: 1z0-809 Korean
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Aug 27, 2026
  • Q & A: 209 Questions and Answers
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  • Updated: Aug 27, 2026
  • Q & A: 209 Questions and Answers
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Oracle 1z0-809 Korean Valid Q&A - Testing Engine

  • 1z0-809 Korean Testing Engine
  • Exam Code: 1z0-809 Korean
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Aug 27, 2026
  • Q & A: 209 Questions and Answers
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Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.

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

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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.

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Oracle 1z0-809 Korean Exam Syllabus Topics:

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