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

1z0-809 Korean real exams

Exam Code: 1z1-809-KR

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

Updated: Oct 06, 2025

Q & A: 209 Questions and Answers

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Oracle 1z0-809 Korean Exam Syllabus Topics:

TopicDetails
Topic 1
  • Develop Code That Uses Binary Versions Of Functional Interfaces
  • Use Autoclose Resources With A Try-With-Resources Statement
Topic 2
  • Save Results To A Collection Using The Collect Method And Group
  • Partition Data Using The Collectors Class
Topic 3
  • Search For Data By Using Search Methods Of The Stream Classes Including Findfirst, Findany, Anymatch, Allmatch, Nonematch
Topic 4
  • Describe Stream Interface And Stream Pipeline
  • Create Inner Classes Including Static Inner Class, Local Class, Nested Class, And Anonymous Inner Class
Topic 5
  • Use The Built-In Interfaces Included In The Java.Util.Function Package Such As Predicate, Consumer, Function, And Supplier
Topic 6
  • Create And Use Singleton Classes And Immutable Classes
  • Use Java.Util.Comparator And Java.Lang.Comparable Interfaces
Topic 7
  • Use Enumerated Types Including Methods, And Constructors In An Enum Type
  • Implement Polymorphism
  • Create And Use A Generic Class
Topic 8
  • Develop Code To Extract Data From An Object Using Peek() And Map() Methods Including Primitive Versions Of The Map() Method
Topic 9
  • Create And Use Arraylist, Treeset, Treemap, And Arraydeque Objects
  • Override Hashcode, Equals, And Tostring Methods From Object Class
Topic 10
  • Develop Code That Uses The Unaryoperator Interface
  • Create Custom Exceptions And Auto-Closeable Resources
  • Lambda Built-In Functional Interfaces
Topic 11
  • Develop Code That Declares, Implements And
  • Or Extends Interfaces And Use The @Override Annotation
  • Develop Code That Uses The Optional Class
Topic 12
  • Work With Dates And Times Across Timezones And Manage Changes Resulting From Daylight Savings Including Format Date And Times Values
Topic 13
  • Use Catch, Multi-Catch, And Finally Clauses
  • Use Flatmap() Methods In The Stream API
  • Develop Code That Uses The Final Keyword
Topic 14
  • Develop Code That Uses Primitive Versions Of Functional Interfaces
  • Develop Code That Uses Abstract Classes And Methods
Topic 15
  • Define And Create And Manage Date-Based And Time-Based Events Using Instant, Period, Duration, And Temporalunit
  • Filter A Collection By Using Lambda Expressions
Topic 16
  • Develop Code That Uses Stream Data Methods And Calculation Methods
  • Iterate Using Foreach Methods Of Streams And List

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 Exam Reference

Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.

There are several components you can interact with when you take our mock exams:

  • Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
  • Mark the Java Certification Questions you wish to review later. All the questions you have marked will be listed in the right section “marked questions”. You will be able to jump directly to the question from this list.
  • if you want to take a look at the correct answers for a question, just click the “Solution” button. In the solution section you will be able to check your answers as well as find a full explanation.
  • Keep an eye on the countdown. This will tell you how much time is left. When the countdown expires, the test will be automatically submitted.
  • Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
  • Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
  • Once the test is submitted, the result section will expand. Here, you will be able to review all the questions of the test. From here, you can also navigate directly to each question.

For more info visit: Oracle Java8 1Z0-809 Exam Reference

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