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

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

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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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Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:

  • Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
  • Localization. In particular how to read and set the locale by using the Locale object, to create and read a Properties file, and to build a recourse bundle for each locale.
  • Stream API. It means the code development that uses optional class, Stream data, and calculation methods in addition to sorting a collection using Stream API.
  • NIO.2, Path Interface, and Files Class.
  • Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
  • Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.
  • Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
  • I/O Fundamentals. It means the skill of reading and writing data from the console.

To apply for this Oracle certification test, you should first pay $245 for a voucher. After that, go to Pearson VUE and log into your account. Enter the exam code, which should be 1Z0-809, and follow the instructions that will pop up.

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Downloadable, printable exams (in PDF format)

Oracle 1z0-809 Korean Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Java Class Design15%- Implement polymorphism
- Use static keyword in blocks, variables, methods, classes
- Override hashCode, equals, and toString methods
- Create singleton and immutable classes
- Implement encapsulation
- Implement inheritance including visibility modifiers and composition
Topic 2: Java SE 8 Date/Time API7%- Format and parse dates/times
- Use LocalDate, LocalTime, LocalDateTime, Instant
- Work with Period, Duration, time zones
Topic 3: Localization5%- Use Locale class
- Work with resource bundles
- Format numbers, dates, messages
Topic 4: Java Stream API15%- Use terminal operations: collect, reduce, count
- Describe Stream interface and pipeline
- Filter, map, and process streams
- Work with Optional class
Topic 5: Generics and Collections15%- Use generic classes, interfaces, and methods
- Use Collections Framework: List, Set, Map, Queue
- Sort and search collections
- Analyze type safety and type erasure
Topic 6: Java I/O and NIO.28%- Read/write with java.io API
- Use Path, Files, FileSystem API
- Stream operations on files
Topic 7: JDBC5%- Process resultsets
- Execute queries and updates
- Connect to database
Topic 8: Concurrency12%- Use Executors, Callable, Future
- Control thread lifecycle and synchronization
- Use java.util.concurrent components
- Create threads: Thread class, Runnable, ExecutorService
Topic 9: Advanced Java Class Design10%- Create inner classes: static, local, nested, anonymous
- Use enumerated types
- Use abstract classes and methods
- Use final keyword
Topic 10: Exceptions and Assertions8%- Use try-catch, multi-catch, finally
- Use assertions
- Create custom exceptions
- Use try-with-resources
Topic 11: Lambda Expressions and Functional Interfaces15%- Use primitive and binary variants of functional interfaces
- Use method references
- Create and use lambda expressions
- Use built-in functional interfaces: Predicate, Consumer, Function, Supplier

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