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Exam Code: 1z0-809
Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
Certification Provider: Oracle
Corresponding Certification: Java SE

Study with Oracle : 1z0-809 Korean Exam Torrent as your best preparation materials

1z0-809 Korean

Updated: Jul 20, 2026

No. of Questions: 209 Questions & Answers with Testing Engine

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Oracle 1z0-809 Korean Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Available Languages:English, Chinese Simplified
Passing Score:65%
Exam Duration:120 minutes
Exam Price:$245 USD
Real Exam Qty:68
Certificate Validity Period:Does not expire
Exam Format:Multiple Choice
Sample Questions:Oracle 1z0-809 Korean Sample Questions
Exam Way:Online proctored exam or test center delivery
Pre Condition:Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).
Official Syllabus URL:https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809

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:

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

The benefit in Obtaining the 1Z0-809 Exam Certification

  • Oracle Certified Java Programmer Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
  • Oracle Certified Java Programmer will be confident and stand different from others as their skills are more trained than non-certified professionals.
  • Oracle Certified Java Programmer has the knowledge to use the tools to complete the task efficiently and cost-effectively than the other non-certified professionals lack in doing so.
  • Oracle Certified Java Programmer is distinguished among competitors. Oracle Certified Java Programmer certification can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another.
  • Oracle Certified Java Programmer have more useful and relevant networks that help them in setting career goals for themselves. Oracle Certified Java Programmer networks provide them with the right career direction than non certified usually are unable to get.
  • Oracle Certified Java Programmer Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.

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

Oracle 1z0-809 Korean Exam Syllabus Topics:

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

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